Table 4.

Within-country variation in dietary and methodological factors predicting within-country variation of postpartum depression prevalence across time.

	Coeff.	P-value	95% CI
Study N	−0.165	0.002	−0.271	−0.059
EPDS cutoff score	−0.259	0.000	−0.366	−0.153
Age of baby at start	0.018	0.787	−0.112	0.148
Assessment window	0.126	0.023	0.017	0.234
Year of publication	−0.082	0.245	−0.219	0.056
Fiber consumption	−0.001	0.982	−0.125	0.122
Yogurt consumption	−0.034	0.650	−0.179	0.112
Seafood consumption	0.070	0.260	−0.052	0.193
SSB consumption	0.129	0.026	0.016	0.243
Vegetable consumption	−0.078	0.287	−0.223	0.066
Fruit consumption	−0.067	0.367	−0.214	0.079

All variables were Z scored and mean centered.