Table 2

Number of children owning and always wearing a helmet by school and treatment group post-intervention (percentage)

Owns a helmetAlways wears a helmet
School numberHelmet + multifaceted interventionSchool numberHelmet + educational packSchool numberHelmet + multifaceted interventionSchool numberHelmet + educational pack
*Weighted by number of children in each school.
138/47 (81)155/7 (71)110/38 (26)152/5 (40)
218/18 (100)1618/31 (58)28/17 (47)168/18 (44)
315/29 (52)1730/34 (88)37/15 (47)1712/30 (40)
412/15 (80)1813/17 (76)43/11 (28)182/13 (15)
512/13 (92)1915/18 (83)52/11 (18)194/15 (27)
620/22 (91)2034/49 (69)66/20 (30)204/34 (12)
720/20 (100)216/6 (100)74/19 (21)212/6 (33)
817/24 (71)2216/17 (94)85/17 (29)224/16 (25)
940/50 (80)2314/23 (61)914/40 (35)236/14 (43)
1030/40 (75)2492/100 (92)108/30 (27)2449/92 (53)
1155/55 (100)2515/18 (83)1125/55 (45)253/15 (20)
1222/22 (100)2649/64 (77)1210/22 (45)2611/49 (22)
135/9 (56)2719/20 (95)130/5 (0)274/19 (21)
1410/10 (100)2826/31 (84)142/10 (20)2810/26 (38)
Mean percentage across schools (SE)*
84.0 (4.2)80.9 (3.8)33.1 (2.9)33.8 (5.7)
Difference between means (95% CI)
3.0 (−8.5 to 14.6), p = 0.59−0.6 (−13.8 to 12.5), p = 0.92