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Table 5 Descriptive statistics for the outcome and predictor variables at all measurement points

From: Can a parental sleep intervention in an individual setting improve the maternal and paternal sense of competence and parent–child interaction in parents of young sleep-disturbed children? findings from a single-arm pilot intervention study

 

T1

T2

T3

T4

T5

 

N

Mdn (Q1–Q3)

n

Mdn (Q1–Q3)

n

Mdn (Q1–Q3)

n

Mdn (Q1–Q3)

n

Mdn (Q1–Q3)

Parental sense of competence

        

Mothers

56

68.38 (62.00–78.00)

33

77.00 (68.00–81.50)

23

78.00 (66.00–87.00)

16

74.50 (69.00–81.75

13

72.00 (61.50–81.50)

Fathers

51

74.00 (66.00–79.33)

27

76.00 (67.00–82.00)

19

73.00 (66.00–78.00)

14

74.00 (65.75–79.25)

11

75.00 (63.00–82.00)

Parent–child dysfunctional interaction

        

Mothers

57

17.00 (14.00–20.00)

33

16.00 (13.50–18.50)

23

16.36 (14.00–20.00)

16

16.50 (13.25–18.75)

13

15.27 (13.50–20.00)

Fathers

50

15.00 (14.00–18.00)

28

15.00 (12.25–17.75)

20

14.00 (13.00–16.75)

14

13.04 (12.75–15.25)

11

15.00 (13.00–19.00)

Children’s sleeping

        

SOL

59

26.43 (16.43–38.57)

36

19.28 (7.86–37.68)

25

20.00 (7.50–28.93)

18

18.00 (5.32–33.74)

14

27.14 (12.18–43.57)

FNW

59

2.29 (1.29–4.00)

36

1.07 (0.43–2.53)

25

1.14 (0.14–2.23)

18

0.50 (0.00–1.80)

14

1.00 (0.39–2.03)

DNW

59

26.43 (11.67–51.43)

36

11.93 (2.32–21.39)

25

5.71 (0.92–26.43)

18

3.33 (0.00–18.92)

13

9.29 (3.21–16.43)

BS

58

0.57 (0.14–1.00)

36

0.07 (0.00–0.66)

25

0.00 (0.00–0.29)

18

0.07 (0.00–1.00)

14

0.50 (0.10–0.60)

NFI

58

0.86 (0.43–1.00)

36

0.21 (0.00–0.86)

25

0.14 (0.00–0.91)

18

0.00 (0.00–0.57)

14

0.36 (0.10–0.60)

Children’s crying

        

FRQ

60

1.50 (1.06–2.25)

35

1.25 (1.00–2.00)

24

1.00 (1.00–1.50)

19

1.00 (1.00–1.75)

14

1.50 (1.00–2.06)

UUC

60

2.00 (2.00–3.00)

35

2.00 (1.50–2.50)

24

1.50 (1.00–2.50)

18

1.75 (1.37–2.62)

14

2.50 (2.00–3.25)

DEF

58

2.00 (2.00–3.00)

35

2.00 (2.00–3.00)

24

2.00 (1.25–3.00)

19

2.00 (2.00–3.00)

14

2.50 (2.00–3.00)

Children’s eating

        

EAT

60

1.48 (1.23–1.77)

33

1.31 (1.15–1.73)

24

1.39 (1.23–1.59)

17

1.15 (1.07–1.54)

14

1.27 (1.14–1.46)

  1. Notes: Medians and quartiles of the parental sense of competence and parent–child dysfunctional interaction for mothers and fathers and children’s symptom characteristics (sleep, crying and eating patterns) through all five measurement points. Three parent pairs had two children in the study and six mothers were single parents. Normative values are: for maternal sense of competence, 59–77; for paternal sense of competence, 65–83; for parent–child dysfunctional interaction, 15–33. SOL and DNW are displayed in minutes; FNW in numbers per night. The critical values of SOL, DNW and FNW are shown in Table 2. BS and NFI represent the mean of nights in a week when BS or NFI did (1) or did not (0) occur. For the FRQ, UUC, DEF and EAT scales, normative values were not yet available for this age group. A value of 1 indicates that crying/eating problems occur seldom to never, a value of 2 indicates an occurrence of 1–3 times a week and a value of 3 indicates an occurrence of 4–6 times a week.Abbreviations: Mnd, median; Q1, 25th percentile; Q3, 75th percentile; T1, pre-intervention; T2, post-intervention; T3, 3-month follow-up; T4, 6-month follow-up; T5, 12-month follow-up; SOL, sleep onset latency; FNW, frequency of nightly awakening; DNW, duration of nightly awakening; BS, bed-sharing; NFI, nightly food intake; FRQ, crying frequency; UUC, unexplained and unsoothable crying; DEF, crying due to defiance; EAT, difficulties in eating behavior