Table 1.  Odds ratio of pain in back and neck in 14-18 year olds, adjusted for age (adolescent health and lifestyle survey) 1985 1987 1989 1993 1995 1997 Girls 1 0.84 (0.72 to 0.98) 1.14 (0.94 to 1.38) 1.22 (1.05 to 1.42)* 1.49 (1.29 to 1.74)* 1.95 (1.68 to 2.26)* Boys 1 0.87 (0.71 to 1.06) 1.11 (0.87 to 1.42) 1.01 (0.83 to 1.23) 1.35 (1.11 to 1.64)* 1.50 (1.24 to 1.82)* * P<0.05.