Table 1.
Characteristics of Canadian Armed Forces recruits (n = 24,552) stratified by their enrollment community municipal water fluoridation status
| Community water fluoridation status | ||||
|---|---|---|---|---|
| Not fluoridated (n = 9735) | Fluoridation ceased (n = 1651) | Fluoridated (n = 13,166) | p value | |
| Age (mean (SD)) | 23.95 (4.97) | 23.78 (4.83) | 23.96 (4.81) | 0.38 |
| Male | 8341 (85.7) | 1398 (84.7) | 11,475 (86.9) | 0.004 |
| Median community income | 326 (19.8) | 2398 (18.2) | < 0.001 | |
| Lowest | 2020 (20.8) | 299 (18.1) | 2210 (16.8) | |
| Low | 1866 (19.2) | 334 (20.3) | 2534 (19.2) | |
| Medium | 1859 (19.1) | 397 (24.1) | 2918 (22.2) | |
| High | 1967 (20.2) | 293 (17.8) | 3106 (23.6) | |
| Highest | 2015 (20.7) | |||
| Province of residence | < 0.001 | |||
| Alberta | 74 (0.8) | 293 (17.7) | 1160 (8.8) | |
| British Columbia | 2386 (24.5) | 19 (1.2) | 52 (0.4) | |
| Manitoba | 0 (0.0) | 0 (0.0) | 763 (5.8) | |
| New Brunswick | 289 (3.0) | 128 (7.8) | 385 (2.9) | |
| Newfoundland and Labrador | 163 (1.7) | 0 (0.0) | 0 (0.0) | |
| Nova Scotia | 0 (0.0) | 0 (0.0) | 1850 (14.0) | |
| Ontario | 2447 (25.1) | 99 (6.0) | 7970 (60.4) | |
| Prince Edward Island | 0 (0.0) | 0 (0.0) | 0 (0.0) | |
| Quebec | 4245 (43.6) | 1112 (67.4) | 859 (6.5) | |
| Saskatchewan | 129 (1.3) | 0 (0.0) | 160 (1.2) | |
| Recruitment type | < 0.001 | |||
| Officer | 2090 (21.5) | 283 (17.1) | 3032 (23.0) | |
| Non-commissioned member | 7645 (78.5) | 1368 (82.9) | 10,134 (77.0) | |
| Environment | < 0.001 | |||
| Air Force | 2125 (21.8) | 309 (18.7) | 2834 (21.5) | |
| Army | 6119 (62.9) | 1190 (72.1) | 7835 (59.3) | |
| Navy | 1491 (15.3) | 152 (9.2) | 2533 (19.2) | |