Table 1

Characteristics of all schemes included in analysis

Scheme numberAge (mean±SD)N (% male)
500156±171264 (41.6%)
500248±123736 (24.7%)
502649±132070 (22.9%)
503651±153736 (27.9%)
505650±154574 (34.2%)
506345±11325 (27.1%)
507248±121735 (25.9%)
508956±151670 (40.5%)
510851±16591 (30.0%)
511557±14853 (45.0%)
513150±161628 (39.5%)
514453±17450 (39.8%)
515659±151099 (38.1%)
All schemes51±1523 731 (31.8%)