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Table 1 Sociodemographic characteristics of the total sample and by weight status and waist circumference (n = 2264)

From: Associations of outdoor activity and screen time with adiposity: findings from rural Chinese adolescents with relatively low adiposity risks

  All Weight Status pa Waist Circumference pa
< 85th percentile ≥ 85th percentile < 90th percentile ≥ 90th percentile
Age 13.7 ± 0.7 13.7 ± 0.7 13.6 ± 0.7 .040 13.7 ± 0.7 13.7 ± 0.7 .715
Sex
 Boys 1164 (51.4%) 1074 (92.3%) 90 (7.7%) .635 1121 (96.3%) 43 (3.7%) .006
 Girls 1100 (48.6%) 1009 (91.7%) 91 (8.3%) 1032 (93.8%) 68 (6.2%)
Single child
 No 1741 (78.0%) 1626 (93.4%) 115 (6.6%) <.001 1670 (95.9%) 71 (4.1%) .002
 Yes 490 (22.0%) 430 (87.8%) 60 (12.2%) 453 (92.5%) 37 (7.6%)
Minority
 No 387 (17.1%) 354 (91.5%) 33 (8.5%) .672 370 (95.6%) 17 (4.4%) .610
 Yes 1877 (82.9%) 1729 (92.1%) 148 (7.9%) 1783 (95.0%) 94 (5.0%)
Parent education
  < high school 1678 (77.6%) 1567 (93.4%) 111 (6.6%) <.001 1610 (96.0%) 68 (4.1%) .001
  ≥ high school 485 (22.4%) 424 (87.4%) 61 (12.6%) 447 (92.2%) 38 (7.8%)
Fathers’ work
 Not farmer 876 (39.3%) 778 (88.8%) 98 (11.2%) <.001 818 (93.4%) 58 (6.6%) .004
 Farmer 1352 (60.7%) 1271 (94.0%) 81 (6.0%) 1299 (96.1%) 53 (3.9%)
  1. a Comparisons were made using between-group t-tests and Chi-square tests