Table 1. Social network utilization patterns and smoking outcomes among 3 utilization groups.

Group	N	Total number of postsa; Median (IQR)	Social network page views; Median (IQR)	30-day PPA at 3 months; n (%)
Non-users	1362	0 (0–0)	0 (0–0)	105 (7.7)
Passive users	812	0 (0–0)	5 (2–10)	87 (10.7)
Active users	483	2 (1–6.5)	34 (15–87.5)	100 (20.7)

^a Posts–messages created by users in blogs, group discussions, message board; does not include private messages

IQR: interquartile range

PPA: point prevalence abstinence, counting all survey non-responders as smokers