Glendenning 2012.

Methods	RCT
Participants	Setting: Perth, Western Australia N = 686 Sample: women identified from GP lists and electoral rolls Age (years): 76.7 (SD 4.0) Inclusion criteria: aged > 70; registered with a GP; likely to attend 4 study visits over 9 months Exclusion criteria: taking vitamin D supplements; cognitive impairment (MMSE < 24); "in the investigators opinion would not be suitable for the study"
Interventions	1. Oral vitamin D (cholecalciferol) 150,000 IU administered every 3 months for 9 months + lifestyle advice 2. Control: placebo + lifestyle advice Lifestyle advice: physical activity (optimally 30 min per day outside) and consuming 1300 mg calcium/d using diet and/or supplements
Outcomes	1. Number of people falling Other outcomes not included in this review
Duration of the study	9 months
Notes