Skip to main content

Table 4 The follow-up outcomes of cohort studies included in the systematic review

From: A systematic review on the relationship between socioeconomic conditions and emotional disorder symptoms during Covid-19: unearthing the potential role of economic concerns and financial strain

Study ID

Quality Assessment

SEC

Variable

Measurement

Method

Actual / Perceived

Anxiety

(Time 2)

Inventory Outcomes

Depression

(Time 2)

Inventory Outcomes

Note

#3451

8

Education

Categorized as a) Primary; b) Secondary or higher

Actual

NA

NA

PHQ-9

Lower education level was associated with higher depression (OR: 1.89, p < .001)

 
  

Concern about work changes

1-item assessed using 10-point Likert scale (0 = No concern and 10 = Maximum concern) categorized into a) Mild (0–4); b) Moderate (5–7); and c) Maximum (8–10): "How much you worry about job changes during quarantine?"

Perceived

 

NA

 

Moderate and maximum concern were at higher risk for depression (OR: 1.28, p = .02; OR: 2.24, p < .001)

 
  

Running out of money

1-item assessed using 4-point Likert scale (1 = Not concerned and 4 = Very much concerned), grouped into a) No (1 and 2); and b) Yes (3 and 4): "Running out of money to pay expenses, rent and taxes

Perceived

 

NA

 

Higher concerns about running out of money was at a significant risk for depression (OR: 1.43, p < .001)

 
  

Employment situation

Categorized as a) Employed; and b) Unemployed

Actual

 

NA

 

Unemployed people were at a significantly higher risk of depression (OR = 2.99, p < .001)

 

#195

11

Race

Black versus Non-black

Actual

PHQ-4

The odds of Black Americans reporting symptoms in a given month are about half that of non-Black Americans, and the differences are statistically significant in all months

PHQ-4

The odds of Black Americans reporting symptoms in a given month are about half that of non-Black Americans, and the differences are statistically significant in all months

 

#150

11

Financial stress

Financial stress section of UCLA Life Stress Interview

Unsure

NA

NA

BDI-II for mothers, CES-D for adolescents

Financial stress positively associated with depressive symptoms for youth exhibiting blunted reward processing (β = 0.54, p = .007), and negatively associated with depressive symptoms for youth exhibiting increased reward processing (β = -0.89, p < .001. No significant effect of financial stress on maternal depression

 

#3006

11

Education

Categorised as a) High school; b) High school graduate; c) Vocational/tech school/some college; and d) Bachelor's degree or more

Actual

NA

NA

PHQ-9

Having a high school qualification was associated with more depression than having a bachelor's degree (OR = 1.1, p = .024)

 
  

Household income

Categorised as a) <  = 19,999; b) 20,000–44,999; c) 45,000–74,999; and d) >  = 75,000

Actual

 

NA

 

Having $19,999 or less in household income was associated with 7 times the odds of depression relative to incomes of $75,000 or more (p < .001)

 
  

Household savings

Categorised as a) <  = 4,999; and b) > 5,000

Actual

 

NA

 

Non-significant

 

#203

9

Income

Categorized as a) Lower-income (annual household < $54,000); b) Middle income (> &54,000 and < $100,000); and c) Higher income (> $100,000)

Actual

GAD-7

No statistically significant longitudinal changes in anxiety symptoms by income

NA

NA

 

#140

7

Unemployment

Unclear

Actual

PHQ-4

Unemployment remained as the strongest predictor of anxiety for 2020 cohort

PHQ-4

Unemployment became the second strongest predictor of depression for 2020 cohort

 
  

Household income

Unclear

Actual

 

Household income remained as the second strongest predictor of anxiety for 2020 cohort

 

Household income became the strongest predictors of depression for 2020 cohort

 

#396

8

Education

Categorized as a) Tertiary or above; b) Secondary; and c) Primary or below

Actual

GAD-7

T2: Non-significant

PHQ-9

T2: Lower education was associated with higher depression (aOR = 1.47, p = .045; aOR = 1.99, p = .023).

 
  

Employment

Categorized as a) Employed; b) Dependent; and c) Unemployed

Actual

 

T2: Unemployed was associated with higher anxiety (aOR = 2.15, p = .009)

 

T2: Unemployed was associated with higher depression (aOR = 1.97, p = .018)

 
  

Monthly household income

Categorized as a) $80,000 or above; b) $60,000-$79,999; c) $40,000-$59,999; d) $20,000-$39,999; and e) $19,999 or below

Actual

 

T2: Non-significant

 

T2: Non-significant

 
  

Income change

Categorized as a) Stable/Increase; and b) Decrease

Perceived

 

T2: Non-significant

 

T2: Non-significant

 
  

Savings

Categorized as a) $3,000,000 or above; b) $2,000,000-$2,999,999; c) $1,000,000-$1,999,999; d) $500,000-$999,999; e) $200,000-$499,999; f) Less than $200,000; and g) None

Actual

 

T2: No saving was associated with higher anxiety (aOR = 2.61, p = .028)

 

T2: No saving was associated with higher depression (aOR = 2.65, p = .022)

 

#243

8

COVID-19 related economic stress

Categorized as a) No impact; b) Low impact; and (c) High impact

Perceived

GAD-7

Non-significant

 

Non-significant

 

#214

8

Income loss

US: Yes / No

Israel: 5-point Likert scale ((from no income loss to extreme income loss)

Actual

GAD-7 (US)

PROMIS (Israel)

Income loss was associated with higher increase in anxiety for US (β = .26, p < .001). But non-significant for Israel

PHQ-2 (US)

PROMIS (Israel)

Income loss was associated with higher increase in depression for US (β = .26, p < .001). But non-significant for Israel

 
  

Covid-19 Financial worries

Both US and Israel used 5-point Likert scale (from not at all to a great deal)

Perceived

 

NA

 

Higher financial worries were associated with higher increase in depression for US (β = .07, p = .035). But non-significant for Israel

 
  

Pre-COVID-19 income

US: Annual income in bracket

Israel: 5-point Likert scale (1 = Considerably below average and 5 = Considerably above average)

  

Higher income was associated with lower anxiety for US (β = -.02, p < .001). But non-significant for Israel

 

Higher income was associated with lower depression for US (β = -.02, p < .001). But non-significant for Israel

 

#130

11

Pre-crisis socioeconomic status: Relative financial status

Categorized as a) Below average; b) Average; and c) Above average

Perceived

NA

NA

MDI

Participants' report of a below average relative financial status was a significant predictor of depression (B = 0.12, p < 0.05). However, participants' report of an above average relative financial status was also a significant predictor of depression (B = 0.10, p < 0.05)

 
  

Pre-crisis socioeconomic status: Difficulty paying usual bills

Categorized as a) Easy or very easy; b) Fairly easy; and c) Rather difficult or difficult

Perceived

 

NA

 

Non-significant

 
  

Pre-crisis socioeconomic status: highest level of education

Categorized as a) Compulsory schooling (ISCED 2; 9 years); b) Secondary school diploma (ISCED 34; 12–13 years); c) Apprenticeship (ISCED 35; 12–13 years); d) Bachelor's degree (ISCED 6; 15 years); and e) Master's degree (ISCED 7; 17 years)

Actual

 

NA

 

Secondary school was a significant predictor of higher depression (B = 0.18, p < 0.05). However, Master's degree was also a significant predictor of higher depression (B = 0.21, p < 0.05)

 
  

Changes in work situation due to COVID-19

Categorized as a) No change; b) Job loss; c) Partial unemployment; and d) Losing money as self-employed

Actual

 

NA

 

Participants' report of self-employed & lost money was a significant predictor of depression (B = 0.36, p < 0.05). However, lost job and partial unemployment were not a significant predictor of depression

 

#101

9

Job loss

Binary response (Yes/No)

Actual

GAD-7

Non-significant

PHQ-9

Non-significant

 
  

Income loss

Binary response (Yes/No)

Actual

 

Non-significant

 

Non-significant

 
  

Worries about losing job / employment

Binary response (Yes/No)

Perceived

 

Worries about losing job/employment showed associations with higher levels of anxiety

 

Worries about losing job/employment showed associations with higher levels of depression

 
  

Worries about finances

Binary response (Yes/No)

Perceived

 

Worries about finances showed associations with higher levels of anxiety

 

Worries about finances showed associations with higher levels of depression

 

#24

9

Education

Categorized as a) No formal education; b) Fundamental education; c) Secondary education; d) University degree; and e) Master or above

Actual

GAD-7

Non-significant

CES-D

There were significant associations between fundamental education and lower follow-up depression (β = -3.81, p < .05), secondary education and lower follow-up depression (β = -3.95, p < .01), university degree and lower follow-up depression (β = -3.91, p < .01), and university degree of master and above and lower follow-up depression (β = -3.58, p < .01)

 
  

Employment status

Categorized as a) Full-time employed; b) In retirement or early retirement; c) In vocational training/retraining/education; d) Looking after home or family; e) Other status; f) Parental leave; g) Part-time employed; h) Permanently sick or disabled; i) Self-employed or working for own family business; and j) Unemployed

Actual

 

Non-significant

 

Non-significant

 
  

Income

Categorized as a) 0–25000 Euros; b) 25,000–75000; c) 75,000–150000; d) > 150,000 Euros; and e) No answer

Actual

 

Non-significant

 

Non-significant

 

#380

11

Employment status

Categorized as a) Working in Wave 1; b) Paid leave in Wave 1; c) Furloughed in Wave 1; d) Not employed in Wave 1; e) Paid leave in Wave 2; f) Furloughed in Wave 2; and g) Not employed in Wave 2

Actual

NA

NA

PHQ-2, CESD-10

Being employed during Wave 2 was associated with decreased depression (OR = -0.24, p < .05)

 
  

Tertiary Education

Binary response (Yes/No)

Actual

 

NA

 

Non-significant

 

#372

11

Education

Years of education

Actual

PROMIS Anxiety

Non-significant

PHQ-8

Non-significant

 
  

Employment status

Categorized as a) Part-time; and b) Full-time

Actual

 

Non-significant

 

Non-significant

 
  

Financial well-being

Measured using the CFPB Financial Well-Being Scale

Perceived

 

Lower financial well-being was associated with higher anxiety (aB = -0.24, p < .05)

 

Lower financial well-being was associated with higher depression (aB = -0.20, p < .05)

 

#354

11

Economic adversity

Categorized as a) Faced with new health expenses; b) Experienced adversity but did not reduce food consumption; and c) Reduced food consumption as response to adversity

Actual

GAD-7

People who experienced adversity but did not reduce food consumption had higher odds of anxiety (Ethiopia, OR = 2.36, p < .05; Peru, OR = 2.50, p < .05; Vietnam, OR = 1.62, p < .05). People who reduced food consumption as response to adversity had higher odds of anxiety (Ethiopia, OR = 7.19, p < .05; Peru, OR = 2.40, p < .05; Vietnam, OR = 1.67, p < .05)

PHQ-8

People who experienced adversity but did not reduce food consumption had higher odds of depression (Ethiopia, OR = 3.81, p < .05; Peru, OR = 2.05, p < .05; Vietnam, OR = 1.70, p < .05). People who reduced food consumption as response to adversity had higher odds of depression (Ethiopia, OR = 10.89, p < .05; Peru, OR = 2.53, p < .05; Vietnam, OR = 1.91, p < .05)

 
  

Employment status

Categorized as a) Did not work before pandemic but working now; b) Worked before pandemic and still working; and c) Worked before pandemic but no longer working

Actual

 

People who worked before pandemic but no longer working had higher odds of anxiety (Ethiopia, OR = 2.29, p < .05; India, OR = 2.50, p < .05)

 

People who worked before pandemic but no longer working had higher odds of depression (Ethiopia, OR = 1.68, p < .05; Vietnam, OR = 1.51, p < .05)

 

#334

11

Annual household income

Categorized as a) < $79,999; and b) $80,000 or more

Actual

STAI-SF

Non-significant

CESD-10

Non-significant

 
  

COVID-19 impact on income or employment

Binary response (Yes/No)

Perceived

 

Impact of COVID-19 on income or employment had a 1.42 mean increase in anxiety score (p < .001)

 

Impact of COVID-19 on income or employment had a 3.00 mean increase in depression score (p < .001)

 

#446

8

Education

Personal income

Family income

Householder

Unemployment experience

Categorized as a) Jr high school; b) High school; c) Associate degree or Diploma; d) Bachelor; and e) Master or Doctorate

Categorized as a) Low; b) Middle; and c) High

Categorized as a) Low; b) Middle; and c) High

Binary response (Yes/No)

Unclear

Actual

Perceived

Perceived

Actual

Actual

NA

NA

NA

NA

NA

NA

CES-D

Non-significant

Non-significant

Non-significant

Non-significant

Unemployment was a factor associated with increasing depression (p = 0.003)

 

#1415

11

Education

Categorized as a) Less than high school; b) Some high school, no diploma; c) High school graduate or equivalent; d) Some college, no degree; e) Associate degree; f) Bachelor’s degree; g) Master’s degree; h) Professional school degree; and i) Doctorate degree

Actual

NA

NA

PHQ-8

Individuals with higher education reported a larger increase in depressive symptoms (total effect = .032)

 
  

Income (household)

Total combined income of all family members 15 years or older who lived in the household over the past year on a 17-point scale (1 = less than $5000 and 17 = $200,000 or above)

Actual

 

NA

 

Non-significant

 

#1278

11

Financial concerns

11-point Likert scale (0–10) with higher values intended to reflect higher frequency or intensity to the question: “How concerned are you about your financial situation as a result of the pandemic?”

Perceived

GAD-7

Non-significant

PHQ-9

Non-significant

 

#1140

11

Job loss

Binary response (Yes/No)

Actual

GAD-7

Non-significant

CESD-SF

Non-significant

 
  

Education loss

Binary response (Yes/No)

Actual

 

Non-significant

 

Non-significant

 
  

Not employed/ in education (pre-pandemic)

Binary response (Yes/No)

Actual

 

Non-significant

 

Non-significant

 
  

Low SES family

Binary response (Yes/No)

– defined as ≤ 1 SD on SES scale aggregating annual gross income, parental education level, and parental occupation prestige from ages 15 -17 years

Actual

 

Non-significant

 

Non-significant

 

#933

8

Education

Unclear

Actual

GAD-7

Lower educational background was associated with greater anxiety in ALSPAC-parents and ALSPAC-young cohorts, but not in the Generation Scotland cohort

SMFQ

Lower education background was associated with greater depression in ALSPAC parents and Generation Scotland cohorts, but not in the ALSPAC-young cohort

 
  

Income

Unclear

Actual

 

Higher income before the pandemic was associated with lower anxiety in ALSPAC-young and Generation Scotland cohort, but not in the ALSPAC-parent cohort

 

Higher income before the pandemic was associated with lower depression in ALSPAC-parents and Generation Scotland cohorts, but not in the ALSPAC-young cohort

 
  

Recent financial problems

Unclear

Unclear

 

NA

 

NA

 

#883

11

Income loss

Categorized as a) No income loss; b) Greater than 0% but less than 50% monthly income loss; and c) Greater than or equal to 50% monthly income loss

Actual

GAD-7

Non-significant

PHQ-9

Those reporting ≥ 50% income loss showed a significant increase in depression scores

 

#2773

11

Education

Binary variable (Yes / No) indicating whether or not at least some secondary education was received

Actual

NA

NA

PHQ-8

Non-significant

 
  

Employment status

Binary indicator (Yes / No) of whether the respondent was engaged in activity resulting in monetary, food or other forms of compensation

Actual

 

NA

PHQ-8

Non-significant

 
  

Monthly income

Binary variable (Yes / No) indicating whether or not at least 100,000 Ush is earned per month

Actual

 

NA

PHQ-8

Non-significant

 
  

Food security

5 items adapted from the Food Insecurity Experience Scale

Perceived

 

NA

PHQ-8

High food insecurity was associated with elevated depressive symptoms (aOR = 4.56, p =  < .05)

 

#7203

11

Income

Categorized as (in £) a) < 15,000; b) 15,000 to < 30,000; c) 30,000 to 45,000; and d) ≥ 45,000

Actual

K6

Those with an annual income of < £15,000 were more likely to develop psychological distress at T2 compared to those with an annual income of ≥ £45,000 (OR = 2.09)

K6

Those with an annual income of < £15,000 were more likely to develop psychological distress at T2 compared to those with an annual income of ≥ £45,000 (OR = 2.09)

 

#6670

11

Perceived financial risk due to Covid-19

A single-item that asked participants to report the percent chance they will run out of money because of the coronavirus in the next three months

Perceived

PHQ-4

Perceived financial risks (i.e., running out of money) increased and explained 14–15% of the initial rise in psychological distress between 10–18 March and 1–14 April (β = 0.038)

PHQ-4

Perceived financial risks (i.e., running out of money) increased and explained 14–15% of the initial rise in distress between 10–18 March and 1–14 April (β = 0.038)

 

#3282

11

Economic impact payments

Binary response (Yes/No)

Actual

GAD-2

Non-significant

PHQ-2

EIP recipients were significantly associated with increased depression (marginal effect = 0.26)

 

#3242

8

Socioeconomic position (SEP)

Categorized into a) Low; b) Medium; and c) High based on a number of measures (e.g., parents' education, number of books at home, number of cars etc.)

Perceived

NA

NA

HSCL (6-items)

No significant changes in SEP inequalities in either boys or girls between T1 and T2. In actual fact, the differences in the share of medium and high SEP girls reporting high depressive symptoms narrowed between T1 and T2, as high SEP girls reported more problems

 

#78

7

Education

Highest years of education in the household

Actual

SC-90-R

An extra year of education reduced the toll on anxiety by 0.5 percentage points

SC-90-R

An extra year of education reduced the toll on depression by 0·6 percentage points

 
  

Income (per capita)

Monthly household income per capita (2017 USD)

Actual

 

Non-significant

 

Non-significant

 
  

Asset index

Unclear

Unclear

 

Non-significant

 

Non-significant

 
  

Beneficiary of conditional cash transfer

Unclear

Unclear

 

Non-significant

 

Non-significant

 
  

Job or Income loss

Unclear

Unclear

 

Anxiety increased by 6 percentage points for those who reported job or income loss

 

Non-significant

 

#89

11

Income (annual pre-Covid)

Categorized as a) < 10 k;b) 10-20 k; c) 20-30 k; d) 30-40 k; e) 40-50 k; f) 50-60 k; g) 60-70 k; h) 70-80 k; i) 80-90 k; j) 90-100 k; k) 100-150 k; and l) > 150 k

Actual

SAI

Subjects with lower income were significantly related to having higher anxiety (β = -.32, p < 0.001)

SDS

Subjects with lower income were significantly related to higher depression (β = -.37, p < 0.001)

 

#56

11

Employment Status

Categorized as a) Employed; b) Out of work; c) Homemaker; d) Student; and e) Retired

Actual

GAD-7

Non-significant

NA

NA

 
      

Non-significant

 

NA

 
  

Income

Categorized as a) < $50,000; b) $50,000 to $ 90,000; and c) >  = $100,000

Actual

     
  

Income loss

Unclear

Unclear

 

Having lost income due to COVID-19 was positively associated with moderate or severe anxiety symptoms (aPR = 1.27)

 

NA

 

#5

8

Education

Categorized as a) High school/GED or lower; b) Some college; and c) Bachelor or higher"

Actual

GAD-2

Non-significant

PHQ-2

Non-significant

 
  

Income (household)

Categorized as a) Less than $49,000; b) $50,000-$99,000; c) $100,000-$149,000; d) $150,000 or higher; and e) Unknown"

Actual

 

Compared to people with less than $49,000 household income, $50,000 to $99,000 household income have lower risk for psychological distress (aPR = 0.86, p < .05); $100,000 to $149,000 household income have lower risk for psychological distress (aPR = 0.80, p < .01); and $150,000 and above household income have lower risk for psychological distress (aPR = 0.70, p < .001)

 

Compared to people with less than $49,000 household income, $50,000 to $99,000 household income have lower risk for psychological distress (aPR = 0.86, p < .05); $100,000 to $149,000 household income have lower risk for psychological distress (aPR = 0.80, p < .01); $150,000 and above household income have lower risk for psychological distress (aPR = 0.70, p < .001)."

 

#2874

8

Annual household income

Categorized as a) > 200 thousand Yuan; b) 30–100 thousand Yuan; and c) 100–200 thousand Yuan

Actual

NA

NA

PHQ-9

Compared to annual household income of more than 200 thousand Yuan, annual household income of 30 to 100 thousand Yuan (OR = 1.49, p < .05) and 100 to 200 thousand Yuan (OR = 1.21, p < .05) have higher risk for depression

 
  

Education

Categorized as a) Bachelor degree or below level; and b) Master degree or higher level

Actual

 

NA

 

Non-significant