Table 1. Characteristics of participants and univariate logistic regression analysis showing predictors of willingness to participate (WTP) in a dengue study (good vs. poor) (n = 535).
| Variable | n (%) | WTP score | WTP (Good/Poor) | Univariate logistic regression | |
|---|---|---|---|---|---|
| OR (95% CI) | P–value | ||||
| Regency | 0.734 | ||||
| Aceh Tengah (R) | 65 (12.1) | 7.12±2.06 | 12/53 | 1 | |
| Langsa | 74 (13.8) | 7.42±1.90 | 14/60 | 1.03 (0.44–2.42) | 0.945 |
| Aceh Besar | 88 (16.4) | 6.93±2.36 | 20/68 | 1.30 (0.58–2.89) | 0.522 |
| Aceh Utara | 43 (8.0) | 7.05±2.31 | 10/33 | 1.34 (0.52–3.44) | 0.546 |
| Aceh Singkil | 49 (9.2) | 7.12±2.02 | 9/40 | 0.99 (0.38–2.59) | 0.990 |
| Sabang | 56 (10.5) | 7.23±1.66 | 6/50 | 0.53 (0.18–1.52) | 0.238 |
| Aceh Timur | 33 (6.2) | 7.15±2.11 | 7/26 | 1.19 (0.42–3.38) | 0.745 |
| Aceh Selatan | 67 (12.5) | 6.36±2.40 | 10/57 | 0.77 (0.31–1.94) | 0.586 |
| Aceh Tamiang | 60 (11.2) | 7.43±1.95 | 14/46 | 1.34 (0.56–3.20) | 0.503 |
| Age group | 0.273 | ||||
| 17–29 (R) | 289 (54.0) | 6.97±2.26 | 63/226 | 1 | |
| 30–44 | 179 (33.5) | 7.24±1.94 | 31/148 | 0.75 (0.47–1.21) | 0.241 |
| 45–59 | 60 (11.2) | 7.08±1.93 | 7/53 | 0.47 (0.20–1.09) | 0.080 |
| 60–84 | 7 (1.3) | 7.42±1.90 | 1/6 | 0.60 (0.07–5.06) | 0.637 |
| Sex | 0.023* | ||||
| Male (R) | 166 (31.0) | 6.97±2.07 | 22/144 | 1 | |
| Female | 369 (69.0) | 7.13±2.14 | 80/289 | 1.81 (1.08–3.02) | |
| Education | 0.109 | ||||
| Primary (R) | 34 (6.4) | 6.85±1.79 | 3/31 | 1 | |
| Junior high school | 31 (5.8) | 6.39±2.14 | 1/30 | 0.34 (0.03–3.50) | 0.368 |
| Senior high school | 207 (38.7) | 6.93±2.18 | 39/168 | 2.40 (0.70–8.25) | 0.165 |
| Diploma | 114 (21.3) | 7.34±2.03 | 26/88 | 3.05 (0.86–10.80) | 0.083 |
| University graduate | 149 (27.9) | 7.28±2.13 | 33/116 | 2.94 (0.84–10.22) | 0.090 |
| Occupation | 0.079 | ||||
| Farmer (R) | 139 (26.0) | 7.11±1.61 | 26/113 | 1 | |
| Civil servant | 83 (15.5) | 7.29±1.97 | 20/63 | 2.84 (1.11–7.23) | 0.029* |
| Private employee | 100 (18.7) | 7.01±2.38 | 21/79 | 3.91 (1.48–10.35) | 0.006* |
| Entrepreneur | 80 (15.0) | 7.07±2.14 | 6/74 | 3.28 (1.25–8.57) | 0.015* |
| Student/university student | 133 (24.9) | 6.88±2.33 | 29/104 | 3.44 (1.36–8.70) | 0.009* |
| Religion | 0.999 | ||||
| Muslim (R) | 528 (98.7) | 7.07±2.13 | 102/426 | 1 | |
| Other | 7 (1.3) | 7.43±0.97 | 0/7 | 0.00 (0.00-NA) | |
| Marital status | 0.204 | ||||
| Unmarried (R) | 228 (42.6) | 6.98±2.28 | 51/177 | 1 | |
| Married | 289 (54.0) | 7.10±2.02 | 47/242 | 0.67 (0.43–1.05) | 0.080 |
| Widowed | 18 (3.4) | 8.0±1.08 | 4/14 | 0.99 (0.31–3.14) | 0.989 |
| Monthly income | 0.137 | ||||
| <1 million (R) | 270 (50.5) | 7.02±2.16 | 56/214 | 1 | |
| 1—≤ 2 million | 108 (20.2) | 6.77±2.13 | 15/93 | 0.61 (0.33–1.14) | 0.126 |
| 2—≤ 3 million | 88 (16.4) | 7.10±2.02 | 13/75 | 0.66 (0.34–1.28) | 0.220 |
| > 3 million | 69 (12.9) | 7.74±1.94 | 18/51 | 1.35 (0.73–2.49) | 0.338 |
| Type of residence | 0.598 | ||||
| Suburb (R) | 177 (33.1) | 7.16±2.14 | 36/141 | 1 | |
| City | 358 (66.9) | 7.04±2.11 | 66/292 | 1.13 (0.72–1.78) | |
| Have family member(s) suffered from dengue? | 0.213 | ||||
| No (R) | 117 (21.9) | 7.12±2.30 | 27/90 | 1 | |
| Yes | 418 (78.1) | 7.07±2.07 | 75/343 | 1.37 (0.83–2.26) | |
| Have you personally suffered from dengue? | 0.275 | ||||
| No (R) | 48 (9.0) | 7.44±2.10 | 12/36 | 1 | |
| Yes | 487 (91.0) | 7.04±2.12 | 90/397 | 1.47 (0.74–2.94) | |
| Socioeconomic level | 0.293 | ||||
| Poorest quintile (R) | 107 (20) | 6.86±1.99 | 14/93 | 1 | |
| 2nd | 107 (20) | 6.90±2.18 | 22/85 | 1.71 (0.82–3.57) | 0.147 |
| 3rd | 107 (20) | 6.91±2.15 | 18/89 | 1.34 (0.63–2.86) | 0.444 |
| 4th | 107 (20) | 7.25±2.15 | 22/85 | 1.71 (0.82–3.57) | 0.147 |
| Richest quintile | 107 (20) | 7.48±2.07 | 26/81 | 2.71 (1.04–4.35) | 0.038* |
| Knowledge regarding dengue fever | <0.001** | ||||
| Poor (R) | 341 (63.7) | 6.82±2.07 | 41/300 | 1 | |
| Good | 194 (36.3) | 7.54±2.12 | 61/133 | 3.36 (2.15–5.24) | |
| Attitude towards dengue fever | <0.001** | ||||
| Poor (R) | 381 (71.2) | 6.68±2.06 | 39/342 | 1 | |
| Good | 154 (28.8) | 8.06±1.94 | 63/91 | 6.07 (3.83–9.63) | |
| Preventive practice against dengue fever | 0.018* | ||||
| Poor (R) | 377 (70.5) | 6.96±2.11 | 62/315 | 1 | |
| Good | 158 (29.5) | 7.37±2.11 | 40/118 | 1.72 (1.10–2.70) | |
CI: confidence interval, OR: odds ratio, R: reference group
* Significant at 0.05
**Significant at 0.01