Table 1 Main study variables according to gender and monthly household income: Mean (Standard Deviation)

1.39 (0.68)

1.51 (0.70)

1.18 (0.57)

24.55^**

0.94 (0.67)

1.14 (0.54)

1.38 (0.52)

1.81 (0.68)

38.95^**

5.61 (1.86)

5.69 (1.93)

5.46 (1.73)

1.47

5.29 (1.20)

5.84 (1.74)

5.62 (2.04)

5.49 (2.01)

1.37

1.99 (1.00)

2.08 (1.05)

1.81 (0.86)

7.07^**

0.98 (1.27)

5.85 (1.95)

5.20 (1.53)

6.01 (2.02)

14.24^**

1.93 (0.85)

2.00 (0.85)

1.82 (9.83)

4.18^*

1.73 (0.98)

1.71 (0.74)

1.90 (0.82)

2.41 (1.19)

4.47^**

1.37 (0.69)

1.39 (0.68)

1.33 (0.72)

0.66

1.25 (0.56)

1.31 (0.60)

1.28 (0.62)

1.54 (0.83)

4.27^**

2.04 (1.01)

2.15 (1.01)

1.83 (1.00)

10.25^**

1.91 (1.02)

1.96 (1.01)

2.07 (0.94)

2.13 (1.05)

1.00