Pregnancy eating attributes study (PEAS): a cohort study examining behavioral and environmental influences on diet and weight change in pregnancy and postpartum

BMC Nutrition

Table 1 Pregnancy Eating Attributes Study (PEAS) data collection and schedule

	Pregnancy			Delivery	Postpartum
	1-15 weeks^a	16-27 weeks	28-36 weeks	Delivery	4–14 weeks	23–31 weeks	37–41 weeks	50–58 weeks
Dietary Intake
24-hour Dietary Recall [91, 92]	X	X	X		X	X		X
Food Reward
Power of Food Scale [97, 98]	X	X	X			X		X
Cravings & Aversions	X	X						X
Modified Yale Food Addiction Scale [99]	X					X
Food Ratings [105]	X	X				X		X
Food Reinforcement Questionnaire [85]	X	X				X		X
Multiple Choice Procedure [101]	X	X				X		X
Behavioral Control
Delaying Gratification Inventory [106]	X					X
Barratt Impulsivity Scale [107]	X					X
Other Eating Behaviors
Dutch Eating Behavior Questionnaire [102]	X					X		X
Treatment Self -Regulation Questionnaire [103]	X					X
Eating Competence [104]	X					X
Food Environment
Home Food Inventory [108]	X					X
Infant Dietary Intake and Eating/Feeding Behaviors
Breastfeeding intention	X
Infant Food Intake and Breastfeeding [93, 94]					X	X	X	X
Baby Eating Behavior Questionnaire [95]						X
Feeding to Soothe [96]					X	X		X
Additional Health Behaviors
Physical Activity Questionnaire [110]	X	X			X	X		X
Perceived Stress Scale [111, 112]	X		X		X	X
Pittsburgh Sleep Quality Index [113]	X		X		X	X
Edinburgh Postnatal Depression Scale [114]	X				X	X
Weight History [109]	X
Biomedical Data
Maternal Anthropometrics	X	X	X		X	X		X
Infant Anthropometrics					X	X		X
Maternal Clinical Profile	X	X	X		X			X
Infant Clinical Profile					X	X		X
Maternal Blood^b	X	X	X					X
Maternal Urine (first morning)		X						X
Maternal rectal swab		X						X
Cord Blood				X
Infant rectal swab						X

^aThe first clinic visit occurs at <12 weeks; self-report measures are completed by week 15
^b1^st and 3^rd collection are random; 2^nd and 4^th are fasting