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. 2016 Oct 19;20(1):30–39. doi: 10.1093/ntr/ntw273

Table 3.

Self-Help Behaviors of Long-Term Quitters While Trying to Quit Smoking

Behavior and Rao-Scott test results for significant differencesa Used pharmacological methods Quit unassisted
Count Percenta Count Percenta
Help or support from friends or family (RS = 90.7)a 484 45.8 642 25.2
Giving up cigarettes all at once (RS = 70.0)a 754 71.6 2,191 85.6
When completely quit smoking by giving cigarettes all at once
 Tried to quit as soon as made the decision (RS = 79.4)a 333 46.6 1,482 69.6
 Planned the quit attempt for later the same day 47 6.4 95 4.6
 Planned the quit attempt for a date in the future (RS = 153.7)a 288 37.5 257 11.6
 Decided to quit after having not smoked for some other reason (RS = 9.4, p = .0021) 72 9.5 324 14.3
Gradually cutting back on cigarettes (RS = 114.4)a 455 43.9 573 23.9
Switching to
 Smokeless tobacco, ie, chewing tobacco or snuff 39 4.0 88 3.4
 Regular cigars, cigarillos, little filtered cigars or pipes filled with tobacco (RS = 4.5, p = .0342) 44 4.3 73 2.8
 “Lighter” cigarette (RS = 44.1)* 105 9.7 97 3.6
Total sample size (population count) 1,050 (1,239, 492) 2,533 (3,508, 575)

aAll tests are based on 1 degree of freedom; percentages are based on the population counts.

*p < .0001; p values and test statistics for nonsignificant comparisons are not presented.