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Table 1 Distribution of a sample of 12–15-year-old students in Nepal (N = 202)

From: Effectiveness of oral health education intervention among 12–15-year-old school children in Dharan, Nepal: a randomized controlled trial

Age in years Experimental group N = 99 (%) Control group N = 103 (%) Pearson chi-square P value
Mean age 14.39 ± 0.65 14.11 ± 0.79   
 12–13 9 (9.1%) 21 (20.4%) 5.09 0.02
 14–15 90 (90.9%) 82 (79.6%)
Sex
 Male 50 (50.5%) 50 (48.5%) 0.07 0.78
 Female 49 (49.5%) 53 (51.5%)
Grade
 8 54 (54.5%) 51 (47.6%) 0.51 0.47
 9 45 (45.5%) 52 (52.4%)
Socioeconomic status
 Low 32 (32.3%) 52 (50.5%) 6.85 0.009
 Medium 67 (67.7%) 51 (48.5%)
Type of School
 Public 42 (42.4%) 40 (38.8%) 0.27 0.60
 Private 57 (57.6%) 63 (61.2%)
  1. P value in bold letter is statistically significant