Table 1.
Results of statistical analyses for all outcome measures.
| Measure | Condition F (p) |
Time F (p) |
Condition × Time F (p) |
|---|---|---|---|
| Heart rate a | 13.5 (> .001) | 62.0 (> .001) | 16.1 (> .001) |
| Plasma nicotine a | 112.2 (> .001) | 53.0 (> .001) | 45.2 (> .001) |
| Carbon monoxide b | 105.5 (> .001) | 107.0 (> .001) | 205.5 (> .001) |
| Hughes and Hatsukami a | |||
| Anxious | 4.8 (.01) | 5.7 (> .001) | 1.8 (.05) |
| Craving a cigarette | 37.7 (> .001) | 25.7 (> .001) | 10.6 (> .001) |
| Depression/feeling blue | 0.5 (ns) | 1.5 (ns) | 1.1 (ns) |
| Difficulty concentrating | 0.5 (ns) | 3.4 (.02) | 0.8 (ns) |
| Drowsy | 0.6 (ns) | 3.9 (.007) | 1.6 (ns) |
| Hunger | 2.6 (ns) | 7.8 (> .001) | 1.8 (ns) |
| Impatient | 4.3 (.009) | 3.7 (.006) | 2.5 (.005) |
| Irritability/frustration/anger | 5.8 (.004) | 2.3 (ns) | 3.3 (.001) |
| Restless | 1.5 (ns) | 2.5 (.05) | 1.9 (.025) |
| Desire for sweets | 1.7 (ns) | 1.7 (ns) | 1.7 (ns) |
| Urge to smoke | 40.8 (> .001) | 28.2 (> .001) | 9.7 (> .001) |
| QSU a | |||
| Factor 1 | 40.6 (> .001) | 35.7 (> .001) | 16.9 (> .001) |
| Factor 2 | 19.5 (> .001) | 16.6 (> .001) | 7.6 (> .001) |
| Direct effects of nicotine a | |||
| Confused | 1.0 (ns) | 1.4 (ns) | 1.4 (ns) |
| Dizzy | 1.5 (ns) | 5.2 (.002) | 4.1 (.002) |
| Headache | 0.7 (ns) | 0.9 (ns) | 1.6 (ns) |
| Heart pounding | 0.4 (ns) | 2.9 (.05) | 1.9 (ns) |
| Lightheaded | 1.2 (ns) | 7.6 (> .001) | 5.8 (> .001) |
| Nausea | 0.1 (ns) | 0.8 (ns) | 1.1 (ns) |
| Nervous | 1.0 (ns) | 1.0 (ns) | 1.2 (ns) |
| Salivation | 0.5 (ns) | 0.2 (ns) | 1.0 (ns) |
| Sweaty | 0.8 (ns) | 0.9 (ns) | 1.3 (ns) |
| Weak | 0.1 (ns) | 0.8 (ns) | 1.1 (ns) |
| Direct effects of tobacco a | |||
| Satisfying | 76.2 (> .001) | 61.6 (> .001) | 17.2 (> .001) |
| Pleasant | 66.5 (> .001) | 68.5 (> .001) | 17.6 (> .001) |
| Taste good | 47.7 (> .001) | 66.8 (> .001) | 14.4 (> .001) |
| Dizzy | 19.2 (> .001) | 17.6 (> .001) | 7.2 (> .001) |
| Calm | 42.0 (> .001) | 31.1 (> .001) | 10.3 (> .001) |
| Concentrate | 17.9 (> .001) | 15.8 (> .001) | 5.5 (> .001) |
| Awake | 27.0 (> .001) | 22.0 (> .001) | 6.6 (> .001) |
| Reduce hunger | 24.2 (> .001) | 19.4 (> .001) | 5.6 (> .001) |
| Sick | 3.6 (.02) | 3.6 (.01) | 0.9 (ns) |
| Taste like own brand | 115.5 (> .001) | 60.0 (> .001) | 26.9 (> .001) |
| Feel like own brand | 65.9 (> .001) | 67.0 (> .001) | 21.6 (> .001) |
| Harsh as own brand | 64.9 (> .001) | 49.2 (> .001) | 21.3 (> .001) |
| Mild as own brand | 62.4 (> .001) | 54.0 (> .001) | 20.5 (> .001) |
| Smoke another cigarette RIGHT NOW | 6.5 (> .001) | 38.3 (> .001) | 4.8 (> .001) |
a
dfCondition=(3,93), dfTime=(9,279), dfCondxtime=(27,837)
b
dfCondition=(3,93), dfTime= (6,186),dfCondxtime= (18,558)