Table 1 The distribution and valid percentages of respondents according to demographics and other related oral health variables in 1975, 1985, 1995, and 2005.
From: Age, period, and cohort analysis of regular dental care behavior and edentulism: A marginal approach
| Â | 1975 (n = 1204) | 1985 (n = 1123) | 1995 (n = 1002) | 2005 (n = 1001) |
|---|---|---|---|---|
| Â | n (valid %) | n (valid %) | n (valid %) | n (valid %) |
Age (yrs) | Â | Â | Â | Â |
   15-24 | 206 (17.1%) | 188 (16.7%) | 153 (15.3%) | 118 (11.8%) |
   25-34 | 245 (20.3%) | 206 (18.3%) | 202 (20.2%) | 159 (15.9%) |
   35-44 | 206 (17.1%) | 251 (22.4%) | 157 (15.7%) | 212 (21.2%) |
   45-54 | 187 (15.5%) | 136 (12.1%) | 147 (14.7%) | 181 (18.1%) |
   55-64 | 169 (14.0%) | 144 (12.8%) | 113 (11.3%) | 170 (17.0%) |
   65-74 | 191 (15.9%) | 120 (10.7%) | 123 (12.3%) | 103 (10.3%) |
   75+ | / | 78 (6.9%) | 107 (10.7%) | 58 (5.8%) |
Gender | Â | Â | Â | Â |
   Male | 554 (46.0%) | 515 (45.9%) | 473 (47.2%) | 427 (42.7%) |
   Female | 650 (54.0%) | 608 (54.1%) | 529 (52.8%) | 574 (57.3%) |
Socio-economic status (SES) | Â | Â | Â | Â |
   Low | 413 (34.3%) | 437 (38.9%) | 385 (38.4%) | 364 (36.4%) |
   Medium | 676 (56.1%) | 525 (46.7%) | 460 (45.9%) | 440 (44.0%) |
   High | 115 (9.6%) | 161 (14.3%) | 157 (15.7%) | 197 (19.7%) |
Denture-wearing | Â | Â | Â | Â |
   Both upper and lower dentures | 298 (25.3%) | 232 (20.7%) | 181 (18.1%) | 61 (6.1%) |
   Only upper or lower denture | 149 (12.6%) | 104 (9.3%) | 82 (8.2%) | 110 (11.0%) |
   No dentures | 732 (62.1%) | 787 (70.1%) | 739 (73.8%) | 830 (82.9%) |
   Missing | 25 (-) | 0 (-) | 0 (-) | 0 (-) |
School dental care (SDC) during childhood | Â | Â | Â | Â |
   At all grade levels | 427 (36.3%) | 703 (63.4%) | 727 (72.6%) | 867 (86.6%) |
   Not at all grade levels | 750 (63.7%) | 406 (36.6%) | 275 (27.4%) | 134 (13.4%) |
   Missing | 27 (-) | 14 (-) | 0 (-) | 0 (-) |
Seeking dental care on an annual basis during the preceding five years (ADC) | ||||
   Regularly at least once a year | 683 (58.8%) | 780 (69.5%) | 759 (75.7%) | 823 (86.7%) |
   Not regularly every year | 479 (41.2%) | 343 (30.5%) | 243 (24.3%) | 126 (13.3%) |
   Missing | 42 (-) | 0 (-) | 0 (-) | 52 (-) |
Edentulism (age 35+ yrs) | ||||
   Yes | 269 (36.4%) | 188 (26.3%) | 133 (20.6%) | 36 (5.0%) |
   No | 471 (63.6%) | 527 (73.7%) | 514 (79.4%) | 688 (95.0%) |
   Missing | 13 (-) | 14 (-) | 0 (-) | 0 (-) |