Table 5 Odds ratio (95% CI) of not passing DPOAE test for dietary habits and stressful life event during pregnancy period (n = 1190)

Folate intake

1.476(0.697,3.125)

1.563(0.718,3.405)

1.418(0.643,3.129)

1.420(0.640,3.151)

Fruit or vegetable intake

0.454(0.189,1.091)

0.338(0.133,0.860)*

0.350(0.135,0.904)*

0.387(0.147,1.017)

Milk or soy milk intake

1.030(0.716,1.482)

1.006(0.683,1.481)

0.961(0.644,1.433)

0.951(0.635,1.423)

Tea intake

1.167(0.779,1.750)

1.114(0.722,1.721)

1.144(0.709,1.845)

1.297(0.745,2.260)

Stress and anxiety

1.127(0.784,1.621)

1.013(0.684,1.500)

0.955(0.637,1.433)

0.977(0.662,1.501)

Stressful life event

 1st trimester

0.889(0.196,4.043)

0.920(0.197,4.301)

1.079(0.228,5.115)

1.068(0.223,5.118)

 2nd trimester

2.861(0.830,9.870)

2.764(0.757,10.087)

2.944(0.772,11.226)

3.253(0.839,12.609)

 3rd trimester

3.568(1.266,10.055)*

3.217(1.080,9.581)*

3.366(1.097,10.330)*

3.678(1.183,11.433)*