. 2018 Feb 20;18:271. doi: 10.1186/s12889-018-5172-8

Table 4.

Association of obesity with RTIs in females and males

		Male (N = 524)				Female (N = 931)
		Prevalence (%)				Prevalence (%)
Outcome indicators	Approach	Non-obese (N = 449)	Obese (N = 75)	OR	95% CI	Non-obese (N = 819)	Obese (N = 112)	OR	95% CI	OR male/OR female	P-value
Monthly level:
Any RTI	crude	34.4	39.3	1.24	(0.86; 1.79)	35.7	45.9	1.66	(1.24; 2.22)	0.75	0.221
Any RTI	adjusted^a			1.23	(0.86; 1.78)			1.67	(1.25; 2.23)	0.74	0.196
Any URTI	crude	29.2	33.9	1.18	(0.80; 1.73)	31.2	41.1	1.72	(1.27; 2.31)	0.69	0.129
Any URTI	adjusted^a			1.22	(0.84; 1.79)			1.79	(1.33; 2.41)	0.68	0.121
Any LRTI	crude	8.5	11.7	1.97	(1.02; 3.78)	6.7	12.1	2.92	(1.75; 4.87)	0.67	0.351
Any LRTI	adjusted^a			1.47	(0.78; 2.80)			2.43	(1.47; 4.03)	0.60	0.225
Sinusitis	crude	4.8	8.1	1.51	(0.69; 3.29)	7.3	12.1	2.36	(1.38; 4.01)	0.64	0.353
Sinusitis	adjusted^a			1.55	(0.71; 3.40)			2.48	(1.45; 4.25)	0.63	0.331
Rhinitis	crude	25.3	29.3	1.10	(0.76; 1.61)	25.9	35.0	1.68	(1.25; 2.26)	0.66	0.089
Rhinitis	adjusted^a			1.19	(0.82; 1.73)			1.79	(1.33; 2.40)	0.66	0.091
Otitis media	crude	0.85	0.92	0.60	(0.11; 3.19)	0.86	1.81	3.89	(1.34;11.24)	0.15	0.066
Otitis media	adjusted^a			0.62	(0.12; 3.20)			4.20	(1.47;12.02)	0.15	0.054
Pharyngitis/Laryngitis	crude	9.4	11.4	1.54	(0.91; 2.61)	10.3	14.8	1.82	(1.22; 2.73)	0.84	0.616
Pharyngitis/Laryngitis	adjusted^a			1.50	(0.88; 2.55)			1.84	(1.22; 2.77)	0.81	0.542
Tonsillitis	crude	1.49	0.79	0.56	(0.12; 2.55)	2.11	2.93	1.82	(0.83; 4.00)	0.31	0.177
Tonsillitis	adjusted^a			0.66	(0.15; 2.98)			1.99	(0.90; 4.37)	0.33	0.205
Influenza-like illness	crude	10.8	14.6	1.35	(0.90; 2.03)	10.8	15.4	1.73	(1.26; 2.38)	0.78	0.347
Influenza-like illness	adjusted^a			1.38	(0.92; 2.07)			1.72	(1.25; 2.36)	0.81	0.406
Bronchitis	crude	8.5	11.3	1.77	(0.91; 3.46)	6.6	11.9	2.83	(1.69; 4.76)	0.63	0.277
Bronchitis	adjusted^a			1.32	(0.68; 2.55)			2.35	(1.41; 3.92)	0.56	0.172
Pneumonia	crude	0.24	0.40	2.30	(0.22;23.53)	0.13	0.46	10.94	(1.47;81.47)	0.21	0.316
Pneumonia	adjusted^a			2.62	(0.24;28.13)			9.92	(1.34;73.33)	0.26	0.391
Other acute resp. infections	crude	2.12	0.59	0.15	(0.03; 0.76)	2.55	2.90	1.29	(0.62; 2.72)	0.11	0.018
Other acute resp. infections	adjusted^a			0.13	(0.03; 0.68)			1.18	(0.56; 2.50)	0.11	0.017
≥ 3 RTIs	crude	7.6	10.7	1.44	(0.81; 2.58)	8.2	13.9	2.68	(1.74; 4.13)	0.54	0.093
≥ 3 RTIs	adjusted^a			1.37	(0.77; 2.45)			2.70	(1.75; 4.15)	0.51	0.066
Long RTIs	crude	11.9	18.0	2.05	(1.18; 3.59)	11.9	21.8	2.69	(1.74; 4.15)	0.76	0.454
Long RTIs	adjusted^a			1.72	(0.98; 2.99)			2.47	(1.60; 3.81)	0.69	0.309
Upper 10% in diary score	crude	9.4	13.9	1.49	(0.84; 2.65)	9.1	16.7	2.78	(1.81; 4.27)	0.54	0.089
Upper 10% in diary score	adjusted^a			1.35	(0.76; 2.39)			2.69	(1.75; 4.14)	0.50	0.057
Seasonal level:
≥ 4 months RTIs	crude	17.6	25.0	2.26	(1.00; 5.09)	18.1	30.3	2.99	(1.58; 5.66)	0.76	0.592
≥ 4 months RTIs	adjusted^a			1.99	(0.88; 4.46)			2.94	(1.56; 5.56)	0.68	0.450
≥ 3 long RTIs	crude	8.2	15.8	2.57	(1.24; 5.34)	8.3	18.3	3.51	(2.02; 6.09)	0.73	0.502
≥ 3 long RTIs	adjusted^a			2.24	(1.07; 4.70)			3.20	(1.83; 5.60)	0.70	0.449
Upper 10% in diary score	crude	9.7	16.8	2.45	(0.82; 7.31)	8.4	20.6	7.13	(3.15;16.12)	0.34	0.124
Upper 10% in diary score	adjusted^a			1.89	(0.64; 5.57)			5.95	(2.67;13.26)	0.32	0.093
Individual level:
Upper 10% in diary score	crude	9.8	10.7	1.10	(0.50; 2.44)	8.2	23.2	3.39	(2.05; 5.62)	0.32	0.019
Upper 10% in diary score	adjusted^a			0.90	(0.40; 2.03)			2.95	(1.76; 4.95)	0.31	0.015

^aadjusted by age (continuous) and educational status (three categories)