Table 3.

Multinomial logistic regression results: Prevalence of breakfast skipping (relative risk ratio) by grade, socioeconomic status, and geographical remoteness among male South Australian students in grades 4–12 in 2019 (n = 35,896)

		Sometimes skips			Often skips			Always skips
		n (%)	RRR (95% CI)	P	n (%)	RRR (95% CI)	P	n (%)	RRR (95% CI)	P
Grade	4–5	1448 (14.4)	ref	–	1027 (10.2)	ref	–	444 (4.4)	ref	–
	6–7	1722 (18.0)	1.39 (1.28–1.50)	<0.001	1181 (12.3)	1.34 (1.22–1.47)	<0.001	526 (5.5)	1.38 (1.21–1.57)	<0.001
	8–9	1524 (19.1)	1.73 (1.60–1.88)	<0.001	1349 (16.9)	2.16 (1.98–2.37)	<0.001	770 (9.6)	2.86 (2.53–3.23)	<0.001
	10–12	1563 (18.9)	2.08 (1.92–2.26)	<0.001	1828 (22.1)	3.43 (3.15–3.74)	<0.001	1155 (14.0)	5.02 (4.47–5.64)	<0.001
Socio-economic status	Quintile 1	1586 (17.3)	1.25 (1.15–1.35)	<0.001	1715 (18.7)	2.15 (1.97–2.36)	<0.001	1033 (11.3)	2.90 (2.56–3.29)	<0.001
	Quintile 2	1107 (18.7)	1.29 (1.17–1.41)	<0.001	993 (16.8)	1.84 (1.67–2.04)	<0.001	539 (9.1)	2.24 (1.95–2.57)	<0.001
	Quintile 3	952 (17.0)	1.07 (0.97–1.17)	0.160	839 (14.9)	1.51 (1.36–1.67)	<0.001	442 (7.9)	1.78 (1.54–2.05)	<0.001
	Quintile 4	1275 (16.8)	1.01 (0.93–1.10)	0.794	1002 (13.2)	1.27 (1.15–1.41)	<0.001	507 (6.7)	1.44 (1.25–1.65)	<0.001
	Quintile 5	1337 (17.5)	ref	–	836 (11.0)	ref	–	374 (4.9)	ref	–
Geographical remoteness	Major Cities	4192 (16.8)	ref	–	3628 (14.5)	ref	–	1942 (7.8)	ref	–
	Inner Regional	968 (18.5)	1.19 (1.10–1.29)	<0.001	835 (16.0)	1.18 (1.09–1.29)	<0.001	465 (8.9)	1.23 (1.10–1.37)	<0.001
	Outer Regional	871 (19.7)	1.30 (1.19–1.41)	<0.001	723 (16.4)	1.24 (1.14–1.36)	<0.001	381 (8.6)	1.22 (1.09–1.38)	0.001
	Remote/Very Remote	226 (18.5)	1.20 (1.03–1.40)	0.022	199 (16.3)	1.22 (1.04–1.43)	0.017	107 (8.8)	1.22 (0.99–1.51)	0.058

RRR Relative risk ratio, CI Confidence interval