Table 4.

Multinomial logistic regression results: Prevalence of breakfast skipping (relative risk ratio) by grade, socioeconomic status, and geographical remoteness among female South Australian students in grades 4–12 in 2019 (n = 34,909)

		Sometimes skips			Often skips			Always skips
		n (%)	RRR (95% CI)	P	n (%)	RRR (95% CI)	P	n (%)	RRR (95% CI)	P
Grade	4–5	1374 (14.3)	ref	–	1072 (11.2)	ref	–	381 (4.0)	ref	–
	6–7	1770 (18.7)	1.65 (1.52–1.78)	<0.001	1717 (18.2)	2.05 (1.88–2.23)	<0.001	687 (7.3)	2.31 (2.03–2.63)	<0.001
	8–9	1494 (19.2)	2.46 (2.26–2.67)	<0.001	2089 (26.9)	4.40 (4.04–4.79)	<0.001	1196 (15.4)	7.09 (6.27–8.02)	<0.001
	10–12	1444 (17.8)	2.65 (2.43–2.89)	<0.001	2461 (30.4)	5.79 (5.32–6.30)	<0.001	1516 (18.7)	10.03 (8.89–11.32)	<0.001
Socio-economic status	Quintile 1	1479 (16.6)	1.20 (1.10–1.31)	<0.001	2214 (24.8)	2.10 (1.94–2.29)	<0.001	1316 (14.7)	2.81 (2.52–3.14)	<0.001
	Quintile 2	966 (16.7)	1.10 (1.00–1.21)	0.057	1336 (23.1)	1.78 (1.62–1.95)	<0.001	676 (11.7)	2.03 (1.79–2.29)	<0.001
	Quintile 3	1013 (18.0)	1.16 (1.06–1.27)	0.002	1229 (21.9)	1.65 (1.50–1.81)	<0.001	600 (10.7)	1.81 (1.60–2.06)	<0.001
	Quintile 4	1257 (17.5)	1.03 (0.95–1.13)	0.474	1395 (19.4)	1.34 (1.23–1.47)	<0.001	670 (9.3)	1.45 (1.29–1.64)	<0.001
	Quintile 5	1367 (18.5)	ref	–	1165 (15.8)	ref	–	518 (7.0)	ref	–
Geographical remoteness	Major Cities	4134 (17.2)	ref	–	4925 (20.5)	ref	–	2507 (10.4)	ref	–
	Inner Regional	933 (17.8)	1.14 (1.05–1.24)	0.002	1199 (22.9)	1.23 (1.14–1.33)	<0.001	629 (12.0)	1.27 (1.15–1.40)	<0.001
	Outer Regional	785 (17.9)	1.11 (1.02–1.21)	0.019	942 (21.5)	1.12 (1.03–1.21)	0.007	517 (11.8)	1.21 (1.09–1.34)	<0.001
	Remote/Very Remote	230 (18.5)	1.14 (0.97–1.33)	0.108	273 (22.0)	1.13 (0.98–1.31)	0.097	127 (10.2)	1.03 (0.85–1.26)	0.735

RRR Relative risk ratio, CI Confidence interval