Table 2

Follow-up status of cases and comparison of the current health status of cases and controls

Follow-up status of cases

N = 794 (%)

% Interviewed (N = 432)


Deceased

228 (28.7)

0.1a

Interviewed

432 (54.4)

100

Case notes available

654 (82.2)

100

Lost to follow-up

139 (17.5)

-

Mean years follow-up

10.2 (SD 6.8, range < 1-25)

Current injector

135

31.3

Current OST

302

70.0

Opiate free1

75

17.4

Controls vs. cases health status

% Controls (n = 432)

% Cases (n = 432)

Smoker

255 (59.0)

403 (93.2)*

High risk alcohol use2

60 (13.9)

87 (20.1)#

Anxious3

87 (20.1)

209 (48.3)*

Depressed4

49 (11.3)

114 (26.4)*

Mean subjective QoL (SD)5

63.8 (22.7)

50.3( 23.6)^


Notes: a: Five interviewees subsequently died before the end of the follow-up period. 1. Not in OST or injecting illicit opiates 2. Based on AUDIT score of ≥ 16 which indicates high risk or harmful drinking in the past year [48] 3. Based on a HADS anxiety subscale score ≥ 11 indicating caseness [49] 4. Based on a HADS depression subscale score ≥ 11 indicating caseness [49] 5. Mean EqVAS score, where a score of 0 is worst imaginable health state and of 100 is best imaginable health state[50]. Chi square test for difference: # p < 0.01, *p > 0.001, ^ t-test for equality of means: p < 0.001.

Macleod et al. BMC Public Health 2010 10:101   doi:10.1186/1471-2458-10-101

Open Data