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. 2018 Jul 9;30:44. doi: 10.1186/s40557-018-0255-7

Table 1.

Characteristics of participants

N(%) or mean ± standard deviation p-value*
Total 283
Age (year) 36.22 ± 3.86 <.0001
 30 < ≤35 135 (47.70)
 35 < ≤40 108 (38.16)
 40 < ≤45 40 (14.13)
 Missing 0
BMI (kg/m2) 22.26 ± 3.12
 Missing 1
Parity (NO.) <.0001
 0 9 (3.19)
 1 94 (33.33)
 2 150 (53.19)
 3 27 (9.57)
 4 2 (0.71)
 Missing 1
Smoking status <.0001
 Current smoker 5 (1.79)
 Past smoker 27 (9.64)
 Never smoker 248 (88.57)
 Missing 3
Fish intake per serving <.0001
 Less than half a fish 146 (52.33)
 Half a fish 99 (35.48)
 More than one fish 34 (12.19)
 Missing 4

Data are presented as number (%), mean ± SD

BMI body mass index

*P-value for Chi square