Table 5.

Multi-level multivariable linear regression to assess contribution of each factor to H7N9/MERS knowledge scores

	H7N9			MERS
Variable	Coefficient	95% CI	P-value	Coefficient	95% CI	P-value
Gender
Male	0.00	Reference		0.00	Reference
Female	0.13	(−0.15, 0.40)	0.363	0.15	(−0.04, 0.34)	0.118
Age group
16–21	0.00	Reference		0.00	Reference
22–39	0.34	(− 0.21, 0.89)	0.227	0.31	(−0.12, 0.75)	0.159
40–59	0.66	(0.12, 1.19)	0.016*	0.42	(0.00, 0.85)	0.049*
≥ 60	0.77	(0.15, 1.40)	0.015*	0.28	(−0.19, 0.75)	0.237
Ethnicity
Chinese	0.00	Reference		0.00	Reference
Malay	−0.58	(−0.95, − 0.21)	0.002*	− 0.56	(− 0.80, − 0.32)	< 0.001*
Indian	−0.47	(− 0.84, − 0.10)	0.014*	−0.36	(− 0.61, − 0.12)	0.003*
Others	0.04	(− 0.80, 0.87)	0.933	−0.18	(− 0.69, 0.33)	0.486
Housing
Public – 3 rooms and below	0.00	Reference		0.00	Reference
Public – 4 rooms and above	0.33	(−0.01, 0.68)	0.057	0.41	(0.18, 0.64)	< 0.001*
Private	−0.30	(− 0.89, 0.30)	0.330	0.22	(−0.16, 0.61)	0.256
Highest education attainment
Primary	0.00	Reference		0.00	Reference
Secondary	0.10	(−0.37, 0.57)	0.674	0.33	(0.00, 0.67)	0.049*
Tertiary	0.51	(−0.03, 1.05)	0.062	0.54	(0.16, 0.91)	0.005*
Preferred source of information
Television and/or radio	0.00	(−0.54, 0.54)	0.994	0.03	(−0.31, 0.36)	0.872
Printed media	0.21	(−0.15, 0.57)	0.260	0.16	(−0.08, 0.41)	0.198
Websites/ Internet	0.19	(−0.19, 0.56)	0.326	0.10	(−0.16, 0.36)	0.448
Social media	0.12	(−0.22, 0.47)	0.473	0.04	(−0.19, 0.28)	0.733
From friends and/or colleagues	−0.55	(−0.99, − 0.11)	0.015*	−0.28	(− 0.61, 0.05)	0.092
From family members and/or relatives	−0.02	(−0.48, 0.44)	0.937	−0.09	(− 0.42, 0.24)	0.608

*Significant difference between variable and H7N9 or MERS knowledge scores at P < 0.05