Table 2.

Examples of surveys previously used to assess physical activity during pregnancy that have been validated using accelerometry data.

Survey Name	Method of administration	Recall period	Physical activity assessment				Validation vs. accelerometry data
			Type of activities	Frequency?	Duration?	Intensity?	Correlation coefficient	Sample size
Pregnancy physical activity questionnaire (PPAQ) 87,88	Self-administered	Current trimester	Household, sport, transportation, work, inactivity	Yes	Yes	No	Spearman = 0.27	N=54
Australian Women’s Activity Survey (AWAS) 89	Interviewer administered	1 week in the past month	Planned activities, employment, childcare, domestic responsibilities, transport	Yes	Yes	Yes	Spearman = 0.32	N=75
Modified Kaiser Physical Activity Survey 87,90	Interviewer administered	Current trimester	Active living, household, sport, work	Yes	Yes	No	Spearman = 0.52	N=54
Pregnancy, Infection, and Nutrition Study – 3 Physical Activity Questionnaire 53,87	Interviewer administered	Past week	Any activity at least ‘fairly light’ in intensity	Yes	Yes	Yes	Spearman = 0.28–0.34	N=177
Exercise Diary (based on the University of Minnesota modified self-reported food and activity diary)87,91	Self-administered, paper	Daily for 3 consecutive days	Exercise, sleeping, resting	Yes	Yes	Yes	Pearson = 0.49	N=94