Table 1.

Linear regression analyses for association between perceived nicotine content and perceived disease risk of assigned SPECTRUM cigarettes (n=663)

	Adjusted* β (95% CI)
Average of all perceived health risks
Perceived nicotine content
High/very high nicotine	1.66 (0.87 to 2.44)
Moderate nicotine	1.02 (0.51 to 1.53)
Low nicotine	0.72 (0.26 to 1.17)
Very low nicotine	REF
Lung cancer
Perceived nicotine content
High/very high nicotine	1.91 (1.10 to 2.72)
Moderate nicotine	1.28 (0.75 to 1.81)
Low nicotine	0.94 (0.47 to 1.41)
Very low nicotine	REF
Emphysema
Perceived nicotine content
High/very high nicotine	1.77 (0.93 to 2.61)
Moderate nicotine	1.14 (0.59 to 1.68)
Low nicotine	0.68 (0.20 to 1.17)
Very low nicotine	REF
Bronchitis
Perceived nicotine content
High/very high nicotine	1.77 (0.92 to 2.61)
Moderate nicotine	1.01 (0.46 to 1.56)
Low nicotine	0.72 (0.23 to 1.21)
Very low nicotine	REF
Other cancers
Perceived nicotine content
High/very high nicotine	1.49 (0.65 to 2.32)
Moderate nicotine	1.02 (0.48 to 1.56)
Low nicotine	0.66 (0.17 to 1.14)
Very low nicotine	REF
Heart disease
Perceived nicotine content
High/very high nicotine	1.74 (0.90 to 2.58)
Moderate nicotine	0.99 (0.45 to 1.54)
Low nicotine	0.77 (0.29 to 1.26)
Very low nicotine	REF
Stroke
Perceived nicotine content
High/very high nicotine	1.76 (0.91 to 2.61)
Moderate nicotine	0.90 (0.34 to 1.45)
Low nicotine	0.74 (0.25 to 1.23)
Very low nicotine	REF

Adjusted for race/ethnicity, educational attainment, actual nicotine content, menthol status, cigarettes smoked per day and baseline perceived risk.

Note, Bold text indicates statistically significant findings.