Types of test Number of questions Primacy effects N (%) Recency
effects N (%)
Significant (p≤0.05) N (%) Range of percent differences
Order tests
 Unadjusted 9 9 (100.0) 0 (0.0) 3 (33.3) (0.8–6.9)*
 Adjusted 9 8 (88.9) 1 (11.0) 2 (22.2) (1.2–7.7)*
NA tests
 Unadjusted 22 21 (95.5) 1 (4.5) 3 (13.6) (0.4–6.3)
 Adjusted 22 21 (95.5) 1 (4.5) 3 (13.6) (0.9–6.2)
NA tests
 Tobacco users (unadjusted) 12 3 (25.0) 9 (75.0) 6 (50.0) (0.3–12.0)
 Non-tobacco users (unadjusted) 12 11 (91.7) 1 (8.3) 10 (83.3) (0.9–4.2)