Examining the association between prenatal maternal stress and infant non-nutritive suck.

Moreover, whereas in the combined cohort models neither number of cycles per minute (ß=−0.23, 95% CI, − 0.74 to 0.28; p =0.37) nor number of cycles per burst (ß=0.13, 95% CI, −0.03 to 0.29; p =0.12) was significantly associated with PSS total score, the negative association between PSS and cycles per minute was significant in the PROTECT sample alone (ß =−0.76, 95% CI, −1.40 to −0.12; p =0.02), and the association between PSS and number of cycles per burst was marginally significant in the IKIDS sample alone(ß =0.27, 95% CI, −0.01 to 0.55; p =0.07).

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