Physical activity surveillance in the European Union: reliability and validity of the European Health Interview Survey-Physical Activity Questionnaire (EHIS-PAQ)

Table 3 Test-retest reliability of the European Health Interview Survey Interview Physical Activity Questionnaire (EHIS-PAQ) (n = 123)

	1^st administration	2^nd administration after 30 days
EHIS-PAQ	Median [IQR]	Median [IQR]	ICC (95 % CI)
Work-related PA index (1 to 3)	1.0 [1.0–2.0]	1.0 [1.0–2.0]	0.67 (0.57–0.75)
Transportation-related PA index (MET-min/d)	181.35 [64.35–331.35]	146.9 [64.4–263.9]	0.72 (0.61–0.80)
Walking time (min/d)	44.5 [19.5–44.5]	19.5 [19.5–44.5]	0.51 (0.37–0.65)
Cycling time (min/d)	19.5 [19.5–44.5]	19.5 [19.5–44.5]	0.53 (0.28–0.70)
Moderate-to-vigorous aerobic recreational PA (min/d)	25.7 [17.1–51.4]	24.3 [16.2–42.86]	0.73 (0.61–0.82)
Muscle-strengthening activity (times/week)	2.0 [1.0–3.0]	2.0 [1.0–3.0]	0.55 (0.36–0.71)
HEPA index (min/d)	204.8 [68.3–379.8]	155.8 [68.3–292.3]	0.43 (0.23–0.58)

PA physical activity, min/d minutes per day, HEPA health-enhancing aerobic physical activity, MET metabolic equivalent, IQR interquartile range, ICC intraclass correlation coefficient CI Confidence intervals

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