Table 3

Means (standard error of mean) of outcome variables by group

VariableInterventionSymptomatic controlAsymptomatic control
PretestPost-testPretestPost-testPretestPost-test
Higher scores indicate greater function and increased satisfaction (SRQ), and less pain and less disability.
*Indicates significant improvement in score from pretest to post-test (p<0.01).
†Indicates significantly different score than symptomatic control group (p<0.05).
‡Indicates significantly different score than intervention group (p<0.05).
SRQ score65.9 (1.96)78.0 (2.31)*72.5 (1.99)71.1 (2.24)93.8 (2.28)94.0 (2.64)‡
Intent to treat75.8*71.0
Satisfaction score4.5 (0.31)6.2 (0.35)†5.0 (0.31)5.0 (0.34)9.1 (0.37)8.8 (0.40)‡
Intent to treat5.94.9
Work related pain4.8 (0.28)2.8 (0.29)†4.6 (0.28)4.1 (0.29)1.3 (0.32)1.4 (0.34)‡
Intent to treat3.1†4.2
Work related disability4.1 (0.30)2.5 (0.29)†3.8 (0.30)3.7 (0.29)1.3 (0.35)1.3 (0.34)‡
Intent to treat2.8†3.8