A pragmatic multi-setting lifestyle intervention to improve leisure-time physical activity from adolescence to young adulthood: the vital role of sex and intervention onset time

Parvin, Parnian; Amiri, Parisa; Masihay-Akbar, Hasti; Khalafehnilsaz, Mahnaz; Cheraghi, Leila; Ghanbarian, Arash; Azizi, Fereidoun

doi:10.1186/s12966-022-01301-4

International Journal of Behavioral Nutrition and Physical Activity

Table 2 Adjusted effect of the intervention on leisure-time physical activity among adolescents estimated by GEE

From: A pragmatic multi-setting lifestyle intervention to improve leisure-time physical activity from adolescence to young adulthood: the vital role of sex and intervention onset time

	Boys		Girls
	β (95% CI)	P-value	β (95% CI)	P-value
Early adolescence
Group
Intervention	−1088.54 (− 1798.15, − 378.93)	0.003	−19.30 (−798.07, 759.47)	0.96
Time
2nd Follow-up	−31.31 (− 889.48, 826.26)	0.94	−40.01 (− 490.77, 410.76)	0.86
3rd Follow-up	− 624.79 (− 1803.65, 544.07)	0.30	− 183.51 (− 823.51, 456.48)	0.57
4th Follow-up	− 712.87 (− 2258.09, 832.35)	0.37	−164.87 (− 986.65, 656.90)	0.69
5th Follow-up	− 1135.76 (− 3227.50, 955.97)	0.29	208.11 (− 916.58, 1333.08)	0.72
*Interaction GroupTime**
Interaction (F2 × Int)	1278.21 (− 169.97, 2726.39)	0.08	− 312.42 (− 1151.85, 527.02)	0.47
Interaction (F3 × Int)	1962.81 (306.62, 3619.01)	0.02	− 100.04 (− 1034.05, 833.97)	0.83
Interaction (F4 × Int)	1067.07 (−126.44, 2260.57)	0.08	−12.70 (− 878.53, 853.12)	0.98
Interaction (F5 × Int)	1284.32 (339.28, 2229.37)	0.008	234.49 (− 877.24, 3103.04)	0.68
Late adolescence
Group
Intervention	− 303.96 (− 1485.97, 878.05)	0.61	− 494.77 (− 1112.76, 123.21)	0.12
Time
2nd Follow-up	− 596.12 (− 1617.44, 425.19)	0.25	−202.85 (− 704.78, 299.09)	0.49
3rd Follow-up	− 781.58(− 2201.33, 638.17)	0.28	− 147.63(− 767.64, 472.37)	0.64
4th Follow-up	− 1241.43 (− 3040.69, 611.83)	0.19	269.62 (− 678.97, 1218.21)	0.58
5th Follow-up	− 1210.47 (− 3526.63, 1141.69)	0.31	719.55 (−611.80, 2050.89)	0.29
*Interaction GroupTime**
Interaction (F2 × Int)	1046.97 (− 298.22, 2392.17)	0.13	615.36 (− 238.90, 1469.62)	0.16
Interaction (F3 × Int)	371.45 (− 1146.61, 1889.50)	0.63	640.59 (−96.80, 1377.98)	0.09
Interaction (F4 × Int)	846.06(−647.84, 2339.96)	0.27	554.79 (− 429.72, 1539.31)	0.27
Interaction (F5 × Int)	1739.88 (−1135.36, 4615.12)	0.24	−61.67 (− 898.26, 774.92)	0.23

The 2nd, 3rd, 4th, and 5th follow-ups refer to the median time as 6.7, 10.4, 13.7, and 17.0 years after baseline assessment (1999–2001). The control group and the first follow-up examination (3.6 median years after baseline assessment) were considered reference categories.
GEE models were adjusted for age, education, and occupation at each follow-up and BMI at baseline. For younger girls, parental ages, paternal employment, and maternal education were also considered adjustments for older boys.
Int Intervention, F Follow-up, CI Confidence Interval, β regression coefficients that represent the mean differences of LTPA compared to the reference category.

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ISSN: 1479-5868

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