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Table 5 Diabetes-related morbidity in relation to smoking status. Figures are frequencies (percent of column total).

From: Cigarette smoking, health status, socio-economic status and access to health care in diabetes mellitus: a cross-sectional survey

Morbidity Never (968) Current smokers (296) Ex – smokers (582) Odds ratioa (95% CI)
Burning and numbness in feet 395 (41) 126 (43) 240 (41) 1.29 (0.93 to 1.79)
Previous foot ulcer 76 (8) 29 (10) 43 (7) 1.19 (0.68 to 2.07)
Previous amputation 28 (3) 9 (3) 14 (2) 1.07 (0.55 to 2.05)
Difficulty with eyesight 353 (36) 92 (31) 182 (31) 1.10 (0.80 to 1.53)
Heart attack 66 (7) 26 (9) 90 (15) 1.20 (0.65 to 2.20)
Stroke 77 (8) 21 (7) 61 (10) 1.13 (0.67 to 1.90)
Heart trouble 134 (14) 30 (10) 107 (18) 0.69 (0.46 to 1.05)
High blood pressure 585 (60) 151 (51) 341 (59) 0.79 (0.63 to 0.98)
  1. a odds ratio comparing current smokers with never smokers after adjusting for age, sex, duration of diabetes, ethnic group, type of diabetes, whether English was the first language, social class, housing tenure, education and car ownership