Table 3 Odds ratio (95% CI) of PPD according to each weight-loss method.
Weight-loss methods | N | Crude | Adjusteda | ||||||
|---|---|---|---|---|---|---|---|---|---|
OR | Lower 95% CI | Higher 95% CI | OR | Lower 95% CI | Higher 95% CI | ||||
Eating two-thirds as much as usual or less | |||||||||
No | 53,965 | 1.000 | 1.000 | ||||||
Yes | 8095 | 1.570 | 1.472 | 1.673 | 1.324 | 1.236 | 1.418 | ||
Avoiding snacking and midnight snacks | |||||||||
No | 38,482 | 1.000 | 1.000 | ||||||
Yes | 23,578 | 1.155 | 1.099 | 1.213 | 1.101 | 1.045 | 1.160 | ||
Eating specific diet foods | |||||||||
No | 55,948 | 1.000 | 1.000 | ||||||
Yes | 6112 | 1.498 | 1.392 | 1.610 | 1.250 | 1.156 | 1.351 | ||
Taking diet pills | |||||||||
No | 60,835 | 1.000 | 1.000 | ||||||
Yes | 1225 | 1.906 | 1.652 | 2.191 | 1.308 | 1.122 | 1.520 | ||
Vomiting after eating | |||||||||
No | 61,209 | 1.000 | 1.000 | ||||||
Yes | 851 | 2.484 | 2.119 | 2.901 | 1.743 | 1.465 | 2.065 | ||
Smoking cigarettes | |||||||||
No | 59,502 | 1.000 | 1.000 | ||||||
Yes | 2558 | 2.188 | 1.985 | 2.408 | 1.432 | 1.287 | 1.591 | ||
Exercise | |||||||||
No | 42,313 | 1.000 | 1.000 | ||||||
Yes | 19,747 | 1.243 | 1.182 | 1.308 | 1.132 | 1.072 | 1.194 | ||