Table 2

The regression statistics for the U-shaped association between continuous BMI and depression.

Variable

Value

βa)

Standard Error

P


All

0.43

0.00

0.000

Gender

Male

0.38

0.00

0.000

Female

0.26

0.00

0.000

Age

20–29

0.33

0.01

0.001

30–39

0.53

0.01

0.000

40–49

0.33

0.01

0.000

50–59

0.53

0.01

0.000

60–69

0.58

0.01

0.000

70+

0.33

0.01

0.001


a)We report the squared data; a positive value indicates that past a certain point of BMI, the level of depression increases (U-curve).

de Wit et al. BMC Public Health 2009 9:14   doi:10.1186/1471-2458-9-14

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