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Table 1 Participant baseline characteristics

From: Effectiveness of a school-community linked program on physical activity levels and health-related quality of life for adolescent girls

  Intervention:all n=362 Intervention:completers n=91 Intervention:non-completers n=271 Control n=259
Characteristic n Mean ± SD or percent n Mean ± SD or percent n Mean ± SD or percent n Mean ± SD or percent
Demographics         
Age (yr) 350 13.4 ± 0.9 88 13.2 ± 0.9 262 13.4 ± 0.9 238 13.4 ± 0.9
BMI 263 19.9 ± 3.9 66 19.8 ± 4.1 197 20.0 ± 3.8 199 19.6 ± 3.5
Live in two parent households 362 78.7 91 74.7 271 80.1 259 74.5
Health         
General health – excellent or good 333 71.2 85 80.0 248 68.1 233 73.0
PedsQL physical functioning score 358 83.9 ± 13.0 90 85.7 ± 12.0 268 83.3 ± 13.2 248 84.5 ± 13.2
PedsQL psychosocial functioning score 357 80.6 ± 14.3 90 82.0 ± 12.9 267 80.1 ± 14.7 247 81.5 ± 13.6
PedsQL total score 357 81.8 ± 13.0 90 83.3 ± 11.7 267 81.2 ± 13.4 248 79.8 ± 15.4
Physical activity:         
MET-mins of LTMVPA (24-hr) 136 546.4 ± 489.1 27 955.2 ± 590.2 113 454.4 ± 413.6 107 624.5 ± 515.8
Mins of LTMVPA (24-hr) 136 79.2 ± 66.3 27 123.6 ± 77.6 113 69.2 ± 59.4 107 88.6 ± 67.1
Number of days in past seven with at least 60 min of LTMVPA 358 5.0 ± 1.8 90 5.3 ± 1.7 268 4.9 ± 1.8 259 4.8 ± 1.6
Met PA guidelines in past seven days1 358 11.2 90 12.2 268 10.8 259 5.8
Sport club/leisure centre member 358 55.0 90 61.1 268 53.0 256 59.4
Potential mediators:         
Perceived sports competence 349 3.37 ± 0.74 87 3.62 ± 0.62 262 3.29 ± 0.75 258 3.37 ± 0.74
Self-management strategies 347 3.42 ± 0.75 86 3.55 ± 0.7 261 3.38 ± 0.76 251 3.48 ± 0.77
Perceived behavioral control 358 3.92 ± 0.66 88 3.94 ± 0.64 270 3.91 ± 0.67 255 3.96 ± 0.59
Outcome expectation 351 36.54 ± 5.53 85 37.84 ± 5.02 266 36.12 ± 5.63 253 36.37 ± 5.37
Outcome expectancy-value 346 152.87 ± 48.21 84 161.73 ± 46.14 262 150.03 ± 48.6 246 152.63 ± 46.73
Self-efficacy 339 2.83 ± 0.72 82 2.87 ± 0.68 257 2.81 ± 0.73 244 2.79 ± 0.69
PA enjoyment 352 23.81 ± 5.65 89 24.88 ± 4.93 263 23.44 ± 5.84 250 24.04 ± 4.72
Sedentary enjoyment 351 4.64 ± 0.77 89 4.59 ± 0.74 262 4.66 ± 0.78 245 4.78 ± 0.70
Personal barriers 343 2.31 ± 0.77 90 2.18 ± 0.68 253 2.36 ± 0.8 246 2.39 ± 0.77
Organisation barriers 348 2.01 ± 0.73 88 2.01 ± 0.67 260 2.01 ± 0.75 243 2.02 ± 0.73
Family support 353 3.82 ± 1.00 89 3.91 ± 0.98 264 3.79 ± 1.01 251 3.82 ± 0.91
Friends support 357 3.43 ± 0.98 90 3.58 ± 0.91 267 3.38 ± 1 249 3.53 ± 0.91
  1. 1PA guidelines: At least 60 min of LTMVPA each day (i.e. all of the past seven days).