Table 1.
Changes in perceptions of the harmfulness of non-cigarette tobacco products by wave 1-wave 2 product use
| Change in Perceptions | ||||
|---|---|---|---|---|
| Decreased | Increased | No Change | ||
| NCTP Product | NCTP | %*(SE) | %*(SE) | %*(SE) |
| E-cigarettes (n = 20,628) | Non-user→Non- | 11.3 (0.31) (a) | 24.8 (0.48) (b) | 64.0 (0.46) |
| Non-user→User | 21.9 (1.42) (a) | 13.5 (1.14) (b) | 64.6 (1.84) | |
| User→Non-user | 7.0 (0.73) | 33.3 (1.48) (c) | 59.7 (1.59) (d) | |
| User→User | 6.5 (0.70) | 15.2 (1.09) (c) | 78.3 (1.25) (d) | |
| Smokeless (n = 19,484) | Non-user→Non- | 18.4 (0.41) | 15.1 (0.39) | 66.6 (0.52) |
| Non-user→User | 23.2 (3.86) | 12.8 (3.40) | 64.0 (4.51) | |
| User→Non-user | 12.5 (1.83) | 24.1 (2.47) | 63.3 (2.97) | |
| User→User | 12.1 (1.17) | 17.2 (1.32) | 70.6 (1.34) | |
| Hookah (n = 18,393) | Non-user→Non- | 16.6 (0.41) | 15.2 (0.36) | 68.2 (0.53) (e) |
| Non-user→User | 22.3 (2.21) | 17.8 (2.05) | 59.9 (2.73) (e) | |
| User→Non-user | 9.8 (0.98) (f) | 22.2 (1.45) | 68.0 (1.68) | |
| User→User | 14.2 (1.27) (f) | 19.0 (1.59) | 66.8 (1.77) | |
| Cigars (n = 13,565) | Non-user→Non- | 14.8 (0.46) | 15.4 (0.49) | 69.8 (0.64) |
| Non-user→User | 20.2 (3.74) | 13.7 (2.82) | 66.1 (4.28) | |
| User→Non-user | 13.8 (1.26) | 16.0 (1.32) | 70.2 (1.65) | |
| User→User | 13.7 (1.19) | 14.6 (1.44) | 71.7 (1.77) | |
| Filtered cigars (n = 18,566) | Non-user→Non- | 13.3 (0.37) | 11.8 (0.36) | 74.9 (0.47) |
| Non-user→User | 14.9 (2.35) | 10.6 (1.57) | 74.5(2.34) | |
| User→Non-user | 10.5 (1.46) | 17.5 (1.86) | 71.9 (1.84) | |
| User→User | 12.5 (1.80) | 12.2 (1.97) | 75.3 (2.58) | |
| Cigarillos (n = 18,194) | Non-user→Non- | 14.0 (0.37) | 12.3 (0.36) | 73.7 (0.42) |
| Non-user→User | 18.2 (2.31) | 9.8 (1.25) | 72.0 (2.31) | |
| User→Non-user | 12.1 (1.00) | 18.3 (1.26) | 69.6 (1.44) | |
| User→User | 11.5 (1.36) | 16.9 (1.66) | 71.6 (2.11) | |
| Pipe (n = 20,941) | Non-user→Non- | 14.7 (0.36) | 14.7 (0.35) | 70.6 (0.44) |
| Non-user→User | 16.5 (3.50) | 12.1 (3.85) | 71.4 (4.60) | |
| User→Non-user | 10.2 (1.75) | 21.3 (2.69) | 68.6 (2.99) | |
| User→User | 18.0 (2.90) | 16.9 (2.95) | 65.1 (3.30) | |
Adjusted for: Gender, age group, race/ethnicity, sexual orientation, education, income and smoking status.
Significant differences between groups are noted by:
higher percentage of decreased risk perceptions among e-cigarette non-users at Wave 1 who become users vs. stay non-users at Wave 2 (p<0.001)
higher percentage of increased risk perceptions among e-cigarette non-users at Wave 1 who stayed non-users vs. became users at Wave 2 (p<0.001)
higher percentage of increased risk perceptions among e-cigarette users at Wave 1 who become non-users vs. stay users at Wave 2 (p<0.001)
higher percentage of no change in risk perceptions among e-cigarette users at Wave 1 who stayed users at Wave 2 vs. became non-users at Wave 2 (p<0.001)
higher percentage of no change in risk perceptions among hookah non-users at Wave 1 who stayed non-users at Wave 2 vs. became users at Wave 2 (p=0.03)
higher precentage of increases in risk perceptions among hookah users at Wave 1 who stayed users at Wave 2 vs. became non-users at Wave 2 (p=0.03).