Table 1 Participants’ baseline characteristics by study arm
Participant characteristics | All Participants (n = 316) | Child-Based Incentive (n = 159) | Family-Based Incentive (n = 157) |
|---|---|---|---|
Parents’ age, years, mean (SD) | 42.0 (4.4) | 42.0 (4.4) | 42.1 (4.5) |
Children’s age, years, mean (SD) | 9.0 (1.4) | 9.0 (1.4) | 9.0 (1.4) |
Parents’ sex, no. (%) | |||
Male | 180 (57.0) | 92 (57.9) | 88 (56.1) |
Children’s sex, no. (%) | |||
Male | 173 (54.8) | 94 (59.1) | 79 (50.3) |
Parents’ ethnicity, no. (%) | |||
Chinese | 238 (75.3) | 120 (75.5) | 118 (75.2) |
Malay | 4 (1.3) | 3 (1.9) | 1 (0.6) |
Indian | 62 (19.6) | 31 (19.5) | 31 (19.8) |
Other | 12 (3.8) | 5 (3.1) | 7 (4.5) |
Parents’ education, no. (%) | |||
High school or lower | 3 (1.0) | 0 (0.0) | 3 (1.9) |
Diploma or professional qualification | 43 (13.7) | 15 (9.4) | 28 (17.8) |
College graduate or higher | 269 (85.4) | 143 (89.9) | 126 (80.3) |
Monthly household income, no. (%) | |||
< SGD5,000 | 35 (11.1) | 17 (10.7) | 18 (11.5) |
SGD5,000–SGD9,999 | 94 (29.8) | 52 (32.7) | 42 (26.8) |
≥ SGD10,000 | 98 (31.1) | 47 (29.6) | 51 (32.5) |
Don’t know | 3 (1.0) | 0 (0.0) | 3 (1.9) |
Prefer not to say | 85 (27.0) | 42 (26.4) | 43 (27.4) |