TABLE 3.
The number of years in SPT and the latest advised recall frequency (in months) for the different categories.
| Number of years in SPT | Latest advised recall frequency (in months) | |
|---|---|---|
| Mean (SD) | Mean (SD) | |
| Total population (n = 993) | 6.45 (4.41) | 3.94 (2.46) |
| Male (n = 444) | 6.04 (4.18) | 4.05 (2.59) |
| Female (n = 549) | 6.79 (4.57) | 3.86 (2.35) |
| Non‐smoker (n = 760) | 6.44 (4.37) | 4.00 (2.45) |
| Smoker (n = 233) | 6.49 (4.57) | 3.77 (2.49) |
| Age at intake ≤50 (n = 502) | 7.04 (4.73) | 4.12 (2.68) |
| Age at intake >50 (n = 491) | 5.86 (3.99) | 3.77 (2.20) |
| SPT 1–5 years (n = 500) | 2.87 (1.11) | 4.40 (3.22) |
| SPT 6–10 years (n = 287) | 7.87 (1.42) | 3.48 (1.27) |
| SPT 11–15 years (n = 182) | 12.23 (1.05) | 3.47 (0.88) |
SPT, supportive periodontal therapy; SD, standard deviation in parenthesis.