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Table 2 Differences between nonrespondents and weighted/unweighted respondents for selected MoMo baseline variables

From: Longitudinal drop-out and weighting against its bias

All participants
Variable Whole sample (baseline weight) Wave 1 nonresp. (baseline weight) Wave 1 respondents (baseline weight) Wave 1
respondents
(longitudinal weight)
Sex [%] Male 51.3% 53.6% 46.4% 51.2%
Female 48.7% 49.5% 50.5% 48.8%
Age [years] 11.3 ± 4.1 12.0 ± 4.0 10.8 ± 4.1 11.3 ± 4.1
Socioeconomic status (Winkler index) Low 33.7% 46.1% 25.1% 32.9%
Med 43.9% 39.6% 48.3% 44.8%
High 20.9% 14.3% 26.6% 21.6%
Mig. Background 16.6% 23.1% 11.4% 15.6%
Sport interest (1: very low, 5: very high) 3.81 ± 1.09 3.76 ± 1.13 3.86 ± 1.05 3.85 ± 1.06
4–5 years
BMI 15.7 ± 1.8 15.7 ± 2.0 15.7 ± 1.6 15.8 ± 1.8
Standing long jump [cm] 88.6 ± 20.2 85.7 ± 20.1 90.4 ± 20.1 89.9 ± 19.6
Days per week with a minimum of 60 min MVPA 4.9 ± 2.1 4.8 ± 2.2 4.9 ± 1.9 4.9 ± 2.0
Sport club membership 46.8% 32.2% 55.6% 49.5%
Balancing backwards 12.7 ± 8.5 11.3 ± 8.2 13.5 ± 8.6 13.1 ± 8.5
Jumping side to side 10.1 ± 3.8 9.5 ± 3.7 10.4 ± 3.8 10.4 ± 3.8
6–10 years
BMI 17.0 ± 2.7 17.3 ± 3.0 16.8 ± 2.5 17.0 ± 2.8
Standing long jump [cm] 124.9 ± 21.2 123.8 ± 22.0 125.6 ± 20.7 125.2 ± 20.7
Days per week with a minimum of 60 min MVPA 4.4 ± 2.0 4.3 ± 2.1 4.4 ± 2.0 4.4 ± 2.0
Sport club membership 58.7% 49.1% 63.8% 59.6%
Balancing backwards 27.3 ± 10.1 27.1 ± 10.5 27.4 ± 9.9 27.3 ± 9.8
Jumping side to side 20.6 ± 6.7 20.6 ± 6.7 20.5 ± 6.7 20.5 ± 6.7
11–13 years
BMI 19.7 ± 4.0 20.2 ± 4.6 19.3 ± 3.2 19.6 ± 3.5
Standing long jump [cm] 153.2 ± 24.0 150.6 ± 24.4 155.9 ± 23.3 154.5 ± 23.3
Days per week with a minimum of 60 min MVPA 3.6 ± 1.9 3.6 ± 2.0 3.7 ± 1.8 3.7 ± 1.9
Sport club membership 56.9% 47.0% 66.8% 62.1%
Balancing backwards 33.0 ± 9.4 31.4 ± 9.7 34.6 ± 8.8 34.0 ± 9.1
Jumping side to side 32.0 ± 6.1 31.4 ± 6.7 32.5 ± 5.5 32.4 ± 5.7
14–17 years
BMI 21.9 ± 4.0 22.1 ± 4.1 21.6 ± 3.8 21.9 ± 4.5
Standing long jump [cm] 173.4 ± 34.8 172.2 ± 35.6 174.7 ± 33.8 173.6 ± 34.4
Days per week with a minimum of 60 min MVPA 3.3 ± 1.8 3.3 ± 1.9 3.3 ± 1.8 3.3 ± 1.8
Sport club membership 48.8% 45.8% 52.0% 46.6%
Balancing backwards 34.2 ± 9.2 33.8 ± 9.2 34.7 ± 9.2 34.4 ± 9.3
Jumping side to side 35.2 ± 6.5 34.8 ± 6.6 35.7 ± 6.4 35.3 ± 6.8