Prices used in survey | Asthma Study | Dyslipidemia Study | Diabetes Study | Total |
Prices used in survey | $15, 40, and 80 | $15 and 60 | $15, 40, and 80 | -- |
N | 52a | 81b | 164b | 297 |
Mean age (sd) | 50 (15.5)c | 61.1 (10.8) | 58.6 (13.3) | 56.4 (14.3) |
% Female | 82%d | 64% | 65.9% | 70.6% |
Mean years education (sd) | 11.5 (3.3) | 12.9 (2.7)c | 11.6 (3.3) | 11.9 (3.1) |
Mean income, US dollars (sd)d | $16,214d | $30,965 | $31,173 | $26,459 |
(22,818) | (27,776) | (28,970) | (26,589) | |
Ethnicity (% white) | 87.9%d | 94.7% | 91% | 90.8% |