Geographical variation in health-related physical fitness of Chilean 8th-grade students: The 2011 National Physical Education Survey.

PR, unadjusted prevalence ratio; CI, confidence interval. aUnhealthy cardiorespiratory fitness is combined needs improvement and needs improvement – health risk FITNESGRAM 2011 maximal aerobic capacity groups [39]. bUnhealthy musculoskeletal fitness is defined as standing broad jump below the 20th percentile of European adolescents [14]. cUnhealthy body mass index is combined needs improvement and needs improvement – health risk FITNESGRAM 2011 BMI groups [42]. dWaist circumference is classified according to health-related cut-points [46]. eBerdegue et al [47]; n, urbanicity = 17,269. f90.5% urban, per present definition. gComunas were grouped into 7 sectors based on geographical location. Figure 2 presents a map of the 7 sectors. Sample size in Santiago Metropolitan Region varies for each fitness variable: n, cardiorespiratory fitness = 6,082; n, musculoskeletal fitness = 6,894; n, body mass index and waist circumference = 6,957. ‡Effect of urban versus rural is different within Santiago Metropolitan Region than in all other regions (pGeographical variation in health-related physical fitness of Chilean 8th-grade students: The 2011 National Physical Education Survey.