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. 2016 Jun 9;16:79. doi: 10.1186/s12887-016-0612-z

Table 2.

Descriptive features of school-level variables

Variable Range Mean/% 95 % CI
School ethos
School bonding 5.9–11.5 8.46 8.45–8.46
School truancy 1.0–2.62 1.41 1.40–1.41
School drug availability perception 2.0–3.9 2.64 2.64–2.64
School context
Math test score 174–355 256.13 255.79–256.46
School area
 Urban 97.9 97.7–98.0
 Rural 2.1 2.0–2.3
School denomination
 Non-Religious 74.0 73.6–74.4
 Religious 26.0 25.6–26.4
School Sex composition
 Only Girls 9.9 9.6–10.2
 Mixed 83.7 83.4–84.1
 Only boys 6.4 6.2–6.6
School type
 Municipal 40.9 40.4–41.3
 Subsidized 51.9 51.4–52.3
 Private 7.3 7.0–7.5