Lifestyle and the hypertensive disorders of pregnancy in nulliparous women in the United States: a secondary data analysis of the nuMom2b

Table 2 Correlations among variables

Variable	CAL	HEI	VEG	FA	PAV1	PAV2	PAV3	SLPHR	NAP	SNORE	RES1	RES2	ILLV2	ILLV3	ILLV4
CAL	1.00	-0.32	0.33	0.18	-0.05	-0.09	-0.18	0.11	0.12	0.02	-0.18	-0.13	-0.01	0.00	-0.03
HEI	-0.32	1.00	0.38	0.23	0.22	0.28	0.27	-0.04	-0.13	-0.01	0.26	0.21	-0.04	0.00	0.03
VEG	0.33	0.38	1.00	0.36	0.15	0.15	0.02	0.02	0.05	0.05	0.08	0.11	-0.04	-0.02	-0.07
FA	0.18	0.23	0.36	1.00	0.10	0.12	0.10	-0.05	-0.03	0.02	0.07	0.05	0.01	0.03	0.09
PAV1	-0.05	0.22	0.15	0.10	1.00	0.42	0.36	-0.02	-0.02	-0.06	0.09	0.10	-0.02	-0.03	0.00
PAV2	-0.09	0.28	0.15	0.12	0.42	1.00	0.44	-0.06	-0.02	0.01	0.04	0.16	-0.03	0.00	0.01
PAV3	-0.18	0.27	0.02	0.10	0.36	0.44	1.00	-0.06	-0.03	0.06	0.14	0.17	0.00	-0.02	0.05
SLPHR	0.11	-0.04	0.02	-0.05	-0.02	-0.06	-0.06	1.00	0.03	-0.03	-0.04	-0.04	-0.01	-0.02	-0.04
NAP	0.12	-0.13	0.05	-0.03	-0.02	-0.02	-0.03	0.03	1.00	0.08	-0.07	-0.10	0.00	0.03	0.03
SNORE	0.02	-0.01	0.05	0.02	-0.06	0.01	0.06	-0.03	0.08	1.00	-0.04	0.01	-0.01	0.05	0.02
RES1	-0.18	0.26	0.08	0.07	0.09	0.04	0.14	-0.04	-0.07	-0.04	1.00	0.46	-0.09	-0.02	0.05
RES2	-0.13	0.21	0.11	0.05	0.10	0.16	0.17	-0.04	-0.10	0.01	0.46	1.00	-0.10	-0.07	0.02
ILLV2	-0.01	-0.04	-0.04	0.01	-0.02	-0.03	0.00	-0.01	0.00	-0.01	-0.09	-0.10	1.00	0.11	-0.02
ILLV3	0.00	0.00	-0.02	0.03	-0.03	0.00	-0.02	-0.02	0.03	0.05	-0.02	-0.07	0.11	1.00	0.10
ILLV4	-0.03	0.03	-0.07	0.09	0.00	0.01	0.05	-0.04	0.03	0.02	0.05	0.02	-0.02	0.10	1.00

Variable abbreviations: CAL Daily Caloric intake, HEI Healthy Eating Index-2010 total (overall), VEG Alternative Healthy Eating Index component scores for vegetable intake, FA Dehydroepiandrosterone (DHEA) and eicosapentaenoic acid (EPA) fatty acid intake; PAV1 (visit 1), PAV2(visit 2), PAV3(visit 3) for the question: “During the past four weeks, did you participate in any physical activities or exercises like running, aerobics, gardening, ball games, or walking for exercise”?; SLPHR: “How many hours of sleep do you usually get per night (in hours)?”; NAP: “During a usual week, how many times do you nap for 5 minutes or more? SNORE for the question: “Do you snore?”; RES1: “Are you able to adapt to change?”; RES2: “Do you tend to bounce back after illness or hardship?”; ILLV2 (visit 2), ILLV3 (visit 3), ILLV4 (visit 4) for the question: “Have you had any 'flu-like illnesses,' 'really bad colds,' fever, a rash, or any muscle or joint aches since last study visit?”

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