Table 5.

Correlation of Smoking Frequency and Duration with Salivary Flow in Smokers.

Variable Salivary Flow
Time Point
Smokers (n=150)
r (P)
Smoking frequency/day 1 minute −0.199 (0.015)
2 minutes −0.289 (<0.001)
3 minutes −0.258 (0.001)

Smoking duration (years) 1 minute −0.153 (0.062)
2 minutes −0.262 (0.001)
3 minutes −0.235 (0.004)

P, P values; r, Pearson correlation coefficients.

The Spearman Rank Correlation was used for salivary flow.

RMMJ Rambam Maimonides Medical Journal Rambam Health Care Campus 2025; 16(4): e0021. ISSN: 2076-9172
Published online 2025 October 31. doi: 10.5041/RMMJ.10556