Table 1. Descriptive characteristics of survey participants by 2014 influenza vaccination status, Thailand*.
| Characteristic | All (n = 581) |
Vaccinated (n = 216) | Unvaccinated (n = 365) |
|---|---|---|---|
| n (%) | n (%) | n (%) | |
| Age (years) | |||
| 65–74 | 383 (66) | 155 (72) | 228 (62) |
| 75–84 | 164 (28) | 56 (26) | 108 (30) |
| >85 | 33 (6) | 5 (2) | 28 (8) |
| Sex, female | 346 (60) | 127 (59) | 219 (60) |
| Marital status | |||
| Married | 272 (47) | 122 (56) | 150 (41) |
| Widowed/divorced | 286 (49) | 87 (40) | 199 (55) |
| Never married | 23 (4) | 7 (3) | 16 (4) |
| Education | |||
| Never attended school | 55 (9) | 9 (4) | 46 (13) |
| Attended primary | 466 (80) | 183 (85) | 283 (78) |
| Completed primary | 60 (10) | 24 (11) | 36 (10) |
| Average household income per month (USD) | |||
| <156 | 312 (54) | 107 (50) | 205 (56) |
| 156–311 | 103 (18) | 43 (20) | 60 (16) |
| >312 | 110 (19) | 44 (20) | 66 (18) |
| Wealth index | |||
| 1 (poorest) | 114 (20) | 30 (14) | 84 (23) |
| 2 | 117 (20) | 47 (22) | 70 (19) |
| 3 | 116 (20) | 41 (19) | 75 (21) |
| 4 | 116 (20) | 45 (21) | 71 (19) |
| 5 (least poor) | 116 (20) | 52 (24) | 64 (18) |
| Has health insurance | 579 (100) | 216 (100) | 363 (99) |
| District of residence | |||
| Mueang | 197 (34) | 46 (21) | 151 (41) |
| Plapak | 100 (17) | 26 (12) | 74 (20) |
| Thatphanom | 166 (29) | 84 (39) | 82 (22) |
| Srisongkran | 118 (20) | 60 (28) | 58 (16) |
| Distance from vaccination site | |||
| 1 (Nearest) | 145 (25) | 88 (41) | 57 (16) |
| 2 | 146 (25) | 45 (21) | 101 (28) |
| 3 | 144 (25) | 67 (31) | 77 (21) |
| 4 (Farthest) | 146 (25) | 16 (7) | 130 (36) |
| Visited a physician in last 3 months | 400 (69) | 162 (75) | 238 (65) |
| Admitted to hospital in last 12 months | 132 (23) | 50 (23) | 82 (22) |
| Any chronic disease | 236 (41) | 99 (46) | 137 (38) |
| Does not leave house on a daily basis | 135 (23) | 32 (15) | 103 (28) |
| Fell in last 6 months | 156 (27) | 52 (24) | 104 (28) |
| Moderate to severe memory loss | 110 (19) | 29 (13) | 81 (22) |
| Vulnerable (VES score ≥3)** | 138 (24) | 36 (17) | 102 (28) |
| Influenza vaccination | |||
| Previous year | 205 (35) | 134 (62) | 71 (19) |
| Ever vaccinated | 343 (59) | 216 (100) | 127 (35) |
| Ever had side effects | 57 (10) | 32 (15) | 25 (7) |
*All proportions are weighted according to the survey design and non-response, and are percentages of non-missing data.
USD = United States dollars; VES = Vulnerable Elders Survey [16]
**The VES score could not be calculated for 49 participants.