Table 4.

Combined effects of smoking status and prior SRO^* reported in wave 1 on a) wave 2 SRO and b) wave 2 current smoking

Wave 1 smoking status and wave 1 SRO	n/N	Weighted percentages (SE)	AOR† (95% CI)
a) Effect on wave 2 SRO
Never smoker—no prior SRO (referent)	550/2978	17.5 (0.4)	1.00 (NA)
Never smoker—prior SRO	431/877	46.8 (1.0)	4.12 (3.65 to 4.64)
Former smoker—no prior SRO	187/968	20.6 (0.8)	1.42 (1.28 to 1.57)
Former smoker—prior SRO	152/312	48.2 (1.6)	4.58 (3.60 to 5.82)
Current smoker—no prior SRO	383/1466	26.6 (0.7)	1.56 (1.41 to 1.74)
Current smoker—prior SRO	426/751	54.1 (1.2)	4.77 (3.70 to 5.87)
b) Effect on wave 2 current smoking
Never smoker—no prior SRO (referent)	166/2978	5.3 (0.2)	1.00 (NA)
Never smoker—prior SRO	28/877	4.3 (0.4)	0.70 (0.60 to 0.82)
Former smoker—no prior SRO	71/968	8.6 (0.5)	2.20 (1.77 to 2.31)
Former smoker—prior SRO	24/312	6.9 (0.6)	1.15 (0.83 to 1.61)
Current smoker—no prior SRO	1204/1466	82.7 (0.5)	82.9 (73.7 to 93.2)
Current smoker—prior SRO	620/751	84.2 (0.8)	77.0 (57.6 to 104.8)

^*Any of three items: want to die, suicidal ideation, suicide attempt.

^†AORs are adjusted ORs with 95% CIs based on multiple logistic regression models controlling for demographics and psychiatric history at wave 1 (shown in table 1).

SRO, suicide-related outcome.