Table 2.

Scores of pain, based on Cornell questionnaire in baseline and follow-up (N = 142).

	Exercise training (n = 43)	Ergonomic modification (n = 37)	Combined exercise & modification (n = 34)	Control (n = 28)
Neck
Baseline	13.46	13.24	14.93	15.65
2 months	4.01	4.79	4.70	15.47
4 months	2.22	2.23	2.45	14.77
6 months	1.88	2.10	2.62	12.55
Right shoulder
Baseline	15.34	16.76	17.33	18.24
2 months	4.84	4.31	4.96	13.74
4 months	2.44	2.27	17.33	11.26
6 months	1.41	2.10	2.23	13.05
Left shoulder
Baseline	13.41	13.13	11.79	15.21
2 months	3.99	3.77	3.82	12.27
4 months	1.82	2.04	2.15	13.19
6 months	1.65	1.89	2.07	12.74
Lower back
Baseline	11.91	13.13	14.00	8.76
2 months	4.28	4.23	4.96	8.65
4 months	2.01	2.87	2.79	9.03
6 months	1.29	2.69	2.07	8.63

Note: Higher numbers show the sever level of pain.