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Table 2 The results of the primary analysis of the fitted multivariate logistic regression model

From: Association between depression, happiness, and sleep duration: data from the UAE healthy future pilot study

Variable

OR (95% CI)

Pb

Happiness - Happy

Reference

Happiness - Unhappy

5.5 (0.7, 42.2)

0.100

Age (linear)

0.3 (0.1, 1.0)a

0.056

BMI (linear)

1.8 (1.0, 3.3)a

0.064

Gender = Males

Reference

Gender = Females

3.2 (1.2, 8.9)

0.024

Sleep = 7

Reference

Sleep < 6

4.0 (0.9, 17.4)

0.061

Sleep = 6

1.3 (0.2, 6.9)

0.775

Sleep = 8

1.5 (0.3, 7.3)

0.585

Sleep > 8

1.2 (0.2, 9.2)

0.848

Married

Reference

Single

0.9 (0.3, 3.0)

0.8

Others

0.2 (0.02, 3.3)

0.3

  1. Note: aInterquartile-range odds ratio for age and BMI, which compares the 3rd quartile with the 1st quartile, and simple odds ratios for the categorical predictors (happiness, gender, sleep and marital status) compare each group with the reference group (the largest group) with corresponding 95% confidence interval (95% CI). bWald’s p-values are presented for each variable