Table 5 Data used in meta-regression analyses
Study | Mean age | Participants age | Type of diabetes | % Male | Study design | Duration smoked (mean years) | Pack years | Years stopped |
|---|---|---|---|---|---|---|---|---|
Gerber et al. [49] | 35.9 | Over 16 | 1 | 56 | Cohort | Not reported | 21.6 | Not reported |
Hansen et al. [47] | 31.9 | Over 16 | 1 | 59 | Cross-sectional | 15.5 | Not reported | Not reported |
Hofer et al. [43] | 13.7 | Under 22 | 1 | 52.5 | Cross-sectional | Not reported | Not reported | Not reported |
Lycett et al. [51] | 61.6 | Over 16 | 2 | 60.2 | Cohort | Not reported | Not reported | Not reported |
Nilsson et al. [48] | 40.9 | Over 16 | 1 | 53.8 | Cross-sectional | Not reported | Not reported | Not reported |
Nilsson et al. [48] | 67.6 | Over 16 | 2 | 54 | Cross-sectional | Not reported | Not reported | Not reported |
Ohkuma et al. [50] | 65.1 | Over 16 | 2 | 100 | Cross-sectional | 41.6 | 43.8 | 17.6 |
Reynolds et al. [42] | 14.8 | Under 22 | 1 | 50.2 | Cross-sectional | 4.5 | Not reported | Not reported |
Reynolds et al. [42] | 16.3 | Under 22 | 2 | 37.6 | Cross-sectional | 2.1 | Not reported | Not reported |
Thomas et al. [44] | 53.2 | Over 16 | 2 | 100 | Cross-sectional | Not reported | Not reported | Not reported |
Wakabayashihi et al. [46] | 53.4 | Under 22 | 1 and 2 | 100 | Cross-sectional | Not reported | Not reported | Not reported |