| Thin | Normal | Overweight | Obese | χ2 | p value |
---|---|---|---|---|---|---|
 | % (n) | % (n) | % (n) | % (n) |  |  |
Advice from parents and carers - "I am told that I ......" | ||||||
Should build up my body | ||||||
   Boys | 32.9 (49) | 25.4a (675) | 23.5a (161) | 31.5bc (88) | 11.98 | ** |
   Girls | 26.8 (56) | 12.5a (357) | 8.1ab (63) | 12.5a (22) | 55.01 | *** |
Should do more exercise | 20.2 (72) | 28.5a (1596) | 48.8ab (713) | 62.9abc (321) | 437.68 | *** |
Do too much exercise | 9.5 (34) | 12.5 (697) | 8.0b (116) | 10.0 (51) | 25.79 | *** |
Beliefs - "I feel that I ....." | ||||||
Should develop my muscles | ||||||
   Boys | 74.5 (111) | 77.0 (2098) | 75.8 (519) | 77.9 (218) | 1.12 | NS |
   Girls | 46.1 (95) | 44.4 (1267) | 43.5 (336) | 46.7 (106) | 0.97 | NS |
Need to build up my body | ||||||
   Boys | 66.9 (99) | 62.3 (1700) | 60.9 (413) | 66.4 (184) | 3.81 | NS |
   Girls | 40.2 (82) | 33.3 (947) | 31.3 (240) | 31.6 (71) | 5.99 | NS |
Need to do more exercise | 42.7 (152) | 55.1a (3068) | 75.4ab (1095) | 84.7abc (431) | 379.12 | *** |
Currently trying to build up my body | ||||||
   Boys | 54.4 (81) | 59.5 (1619) | 59.5 (405) | 59.5 (165) | 1.58 | NS |
   Girls | 36.6 (76) | 27.7a (788) | 24.6a (188) | 22.9a (52) | 14.55 | ** |
Currently trying to get fitter | 57.5 (206) | 70.8a (3939) | 83.2ab (1205) | 87.7ab (443) | 190.32 | *** |