From: Co-occurrence of dental caries and periodontitis: multilevel modelling approach
Individual-level variables (level-2) | ≤ 44 years n = 356 | 45–54 years n = 312 | 55–64 years n = 362 | 65 + years n = 375 | |||
---|---|---|---|---|---|---|---|
Age, years [mean (SD)] | 39.03 (2.92) | 49.96 (2.85) | 59.44 (2.87) | 69.54 (3.01) | |||
Sex [n (%)] | 356 | 311 | 362 | 375 | |||
 Females | 226 (64) | 207 (66) | 250 (69) | 256 (68) | |||
 Males | 130 (36) | 104 (34) | 112 (31) | 119 (32) | |||
Education, years [mean (SD)] | 16.52 (3.61) | 14.39 (2.87) | 14.19 (2.56) | 13.87 (3.11) | |||
Residency [n (%)] | 356 | 312 | 362 | 374 | |||
 Urban | 289 (81) | 208 (67) | 234 (65) | 274 (73) | |||
 Peri-urban/rural | 67 (19) | 104 (33) | 128 (35) | 100 (27) | |||
Sugar-containing diet [n (%)] | 299 | 233 | 230 | 204 | |||
 Less frequent | 148 (49) | 93 (40) | 92 (40) | 74 (36) | |||
 More frequent | 151 (51) | 140 (60) | 138 (60) | 130 (64) | |||
Tooth brushing frequency [n (%)] | 353 | 309 | 356 | 370 | |||
 Twice a day or more | 189 (53) | 157 (51) | 169 (47) | 172 (46) | |||
 Once a day or less | 164 (47) | 152 (49) | 187 (53) | 198 (54) | |||
Use of interdental care products [n (%)] | 352 | 308 | 353 | 368 | |||
 Yes | 102 (29) | 111 (36) | 158 (45) | 152 (41) | |||
 No | 250 (71) | 197 (64) | 195 (55) | 216 (59) | |||
Last dental visit [n (%)] | 353 | 309 | 356 | 364 | |||
 Within the last year | 267 (75) | 223 (72) | 257 (72) | 240 (66) | |||
 More than a year ago | 88 (25) | 86 (28) | 99 (28) | 124 (34) | |||
Smoking [n (%)] | 352 | 304 | 353 | 346 | |||
 Not daily | 288 (82) | 251 (83) | 302 (86) | 329 (95) | |||
 Daily | 64 (18) | 53 (17) | 51 (14) | 17 (5) | |||
Systemic diseases [n (%)] | 341 | 296 | 352 | 346 | |||
 No | 238 (70) | 153 (52) | 226 (64) | 74 (21) | |||
 Yes | 103 (10) | 143 (48) | 126 (36) | 272 (79) | |||
Use of medications [n (%)] | 348 | 302 | 349 | 352 | |||
 No | 286 (82) | 183 (61) | 139 (40) | 77 (22) | |||
 Yes | 62 (18) | 119 (38) | 210 (60) | 275 (78) | |||
Xerostomia [n (%)] | 356 | 312 | 362 | 375 | |||
 Never/seldom | 345 (97) | 293 (94) | 328 (90) | 327 (87) | |||
 Often/always | 11 (3) | 19 (6) | 34 (10) | 48 (13) |