Rationale and Methodology of The PopulatION HEalth and Eye Disease PRofile in Elderly Singaporeans Study [PIONEER]

Gupta Preeti, Man Ryan Eyn Kidd, Fenwick Eva K, Aravindhan Amudha, Gan Alfred TL, Thakur Sahil, Soh Bao Lin Pauline, Wood Joanne M, Black Alex A, Chan Angelique, Ng David, Hean Teoh Khim, Goh Edwin, Mary Chong Foong-Fong, Loo Jenny, Forde Ciaran Gerard, Sabanayagam Charumathi, Cheng Ching-Yu, Wong Tien Yin, Lamoureux Ecosse L

Table 1 Age, gender and ethnicity of participants (n=1442) vs. non-participants (n=904).

Mean ± SD or n (%) Participants n = 1442 Non-participants n = 904 P Age 73.8 ± 8.6 77.6 ± 8.7 <0.001 Gender Male 642 (44.5%) 357 (39.5%) 0.015 Female 798 (55.3%) 547 (60.5%) Ethnicity Chinese 828 (57.4%) 673 (74.5%) <0.001 Indian 420 (29.1%) 165 (18.3%) Malay 160 (11.1%) 66 (7.3%)