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Table 1 Demographic characteristics data of pupils at baseline measurement

From: Effectiveness of a theory-based back care intervention on spine-related behavior among pupils: a school-based randomised controlled trial (T-Bak study)

  Control (n = 52) Intervention (n = 52) P value*
No. (%) No. (%)
Father’s job    0.98
 Employed 47 (90.4) 45 (86.5)  
 Unemployed 1 (1.9) 4 (7.7)  
 Retired 4 (7.7) 3 (5.8)  
Mother’s job    0.33
 Employed 13 (25.0) 16 (30.8)  
 Housewife 39 (75.0) 36 (69.2)  
Father’s level of education    0.80
 Illiterate/primary 1 (1.9) 1 (1.9)  
 Secondary 38 (73.1) 35 (67.3)  
 Higher 13 (25.0) 16 (30.8)  
Mother’s level of education    0.69
 Illiterate/primary 4 (7.7) 2 (3.8)  
 Secondary 30 (57.7) 32 (61.5)  
 Higher 18 (34.6) 18 (34.6)  
Kind of habitation    0.54
 Rented 18 (34.6) 21 (40.4)  
 Own 34 (65.4) 31 (59.6)  
Birth rank    0.58
 First child 25 (48.1) 30 (57.7)  
 Second child 20 (38.5) 17 (32.7)  
 Ohers 7 (13.5) 5 (9.6)  
Number of family members    0.43
 3 people 10 (19.2) 7 (13.5)  
 > 3 people 42 (80.8) 45 (86.5)  
Transmit tool    0.19
 Walking 13 (25.0) 7 (13.5)  
 Public transportation 2 (3.8) 2 (3.8)  
 Own car 15 (28.8) 25 (48.1)  
 School service 22 (42.3) 18 (34.6)  
  1. * χ2 test, significant at < 0.05