Table 2.

Multinomial Logistic Regression of Determinants of Increase or Decrease in Smoking Behavior

	Increased daily smokinga (n = 117)		Decreased daily smokinga (n = 43)
Predictor (n = 261 daily smokers)	OR and 95% CIb	Stratum size	OR and 95% CIb	Stratum size
Age	0.99	117	0.98	43
	0.97–1.02		0.95–1.01
Gender
Male	1.00	49	1.00	20
Female	1.38	68	1.33	23
	0.75–2.51		0.61–2.90
Ethnicity
NZE/Other	1.00	51	1.00	18
Māori	0.66	53	0.48	14
	0.36–1.22		0.19–1.19
Pacific	1.63	9	1.44	5
	0.45–5.60		0.29–7.21
Asian	0.16	4	0.97	6
	0.04–0.60		0.26–3.62
Education
Low	1.00	66	1.00	21
Medium	0.59	25	1.12	13
	0.29–1.24		0.44–2.82
High	1.17	26	1.14	9
	0.52–2.59		0.42–3.12
Cigarettes before lockdown	0.97	117	1.00	43
	0.93–1.00		0.96–1.04
K10 distress and anxiety
None or low	1.00	23	1.00	20
Moderate	1.75	37	0.86	8
	0.81–3.75		0.29–2.52
High	2.63	32	0.91	7
	1.00–6.93		0.23–3.62
Very high	1.28	25	0.97	8
	0.48–3.44		0.26–3.62
Prior mental diagnosis
No	1.00	84	1.00	33
Yes	0.84	33	0.69	10
	0.44–1.62		0.28–1.69
Lost job or reduced work
No	1.00	105	1.00	35
Yes	0.98	12	1.52	8
	0.44–2.29		0.49–4.76
Felt lonely or isolated
None of the time	1.00	26	1.00	18
Some of the time	2.19	61	0.95	20
			0.40–2.27
	1.07–4.51
Almost all of the time	3.65	30	0.85	5
	1.35–9.86		0.22–3.34
Live alone
No	1.00	102	1.00	37
Yes	1.23	15	1.42	6
	0.53–2.84		0.47–4.23

^aDependent variable: increased smoking during lockdown vs. no change vs. decreased smoking during lockdown. Reference category: no change (n = 101).

^b95% CI = 95% confidence interval; OR = odds ratio.