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. Author manuscript; available in PMC: 2015 Dec 1.
Published in final edited form as: J Consult Clin Psychol. 2015 Jun 22;83(6):1044–1057. doi: 10.1037/ccp0000033

Table 1b.

Descriptive Statistics, N (%) or Mean (Standard Deviation), for UKATT Study Variables

Baseline 3-months 12-months

EQ-5D pain intensity
1-No pain or discomfort 265 (36%) 284 (44%) 227 (40%)
2-Some pain or discomfort 419 (57%) 332 (51%) 293 (52%)
3-Extreme pain or discomfort 47 (7%) 34 (5%) 43 (8%)
SF-36 pain interference
1-Not at all 207 (28%) 273 (42%) 194 (35%)
2-A little bit 178 (24%) 150 (23%) 129 (23%0
3-Moderately 152 (21%) 92 (14%) 91 (16%)
4-Quite a bit 122 (17%) 93 (15%) 93 (17%)
5-Extremely 72 (10%) 39 (6%) 54 (10%)
SF-36 pain intensity
1-None 109 (14.9%) 169 (26%) 137 (24%)
2-Very mild 95 (13.0%) 105 (16%) 83 (15%)
3-Mild 133 (18.2%) 102 (16%) 96 (17%)
4-Moderate 241 (32.9%) 174 (27%) 132 (23%)
5-Severe 110 (15.0%) 74 (11%) 78 (14%)
6-Very severe 44 (6.0%) 24 (4%) 38 (7%)
GHQ – Depression (range 0–21) 7.92 (6.20) 5.61 (6.02) 5.24 (6.10)
GHQ – Anxiety (range 0–21) 10.97 (5.38) 8.37 (5.57) 7.96 (5.85)
Percent drinking days 78.1 (24.96) 50.36 (38.3) 49.59 (39.6)
Drinks per drinking day 24.64 (14.73) 14.40 (13.26) 13.70 (13.43)
Percent heavy drinking days 76.51 (25.95) 46.78 (38.56) 45.44 (39.91)
Maximum drinks per day 35.28 (19.76) 20.08 (17.89) 18.95 (18.39)
Pain scores (range −1.49 – 2.49) 0.06 (0.81) −0.05 (0.82) −0.0004 (.82)
Affect scores (range −1.74 – 2.79) 0.001 (0.90) 0.01 (0.90) −0.01 (0.89)

Note. EQ-5D = European Quality of Life survey; SF-36 = Short Form Health Survey; GHQ = General Health Questionnaire