Table 3

Design and data collection of project Vitamin G3

Focal group: allotment gardeners

80

quantitative: questionnaire qualitative: open-ended interview, time diary

Control group 1: next door neighbors

40

idem

Control group 2: waiting list for allotment garden

40

idem

Groenewegen et al. BMC Public Health 2006 6:149   doi:10.1186/1471-2458-6-149