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. 2009 May 4;9:52. doi: 10.1186/1471-2334-9-52

Table 6.

Risk factors related to completeness (Risk Ratio) of each questionnaire section and regression analysis (Odds Ratio)

Responders' characteristics Section A Section B Section C

YES
(%)
NO
(%)
Risk Ratio Odds Ratio YES
(%)
NO
(%)
Risk Ratio Odds Ratio YES
(%)
NO
(%)
Risk Ratio Odds Ratio
Mother 3632
(87.6)
839
(83.8)
1.05 (1.02–1.08)* 3067
(73.6)
676
(67.5)
1.09 (1.04–1.14)* 3876
(93)
931
(93.1)
1 (0.98–1.02)
Age < 45 years 3830
(88)
243
(84.7)
1.04 (0.99–1.09) 3232
(74.3)
183
(63.8)
1.17 (1.07–1.27)* 1.14 (1.01–1.28)* 4072
(93.6)
266
(92.7)
1.01 (0.98–1.04)
Having insurance 4516
(86.8)
12
(75)
1.16 (0.87–1.54) 3748
(72)
10
(62.5)
1.15 (0.79–1.68) 4824
(92.7)
13
(81.3)
1.14 (0.9–1.44)
Special insurances 1949
(87.9)
2081
(85.4)
1.03 (1.01–1.05)* 1658
(74.8)
1704
(69.9)
1.07 (1.03–1.1) * 1.06 (1.01–1.11)* 2099
(94.7)
2218
(91)
1.04 (1.02–1.06)*
Father's high educational status 3282
(87.6)
968
(85.4)
1.03 (1–1.05)* 2826
(75.4)
736
(64.9)
1.16 (1.11–1.22)* 0.9 (0.82–0.98)* 3513
(93.8)
1022
(90.1)
1.04 (1.02–1.06)*
mother's high educational status 3750
(87.8)
761
(82.4)
1.07 (1.03–1.1) * 3204
(75)
539
(58.4)
1.28 (1.21–1.36)* 0.83 (0.76–0.91)* 4007
(93.8)
814
(88.2)
1.06 (1.04–1.09)*
High or moderate income 3892
(87.6)
510
(83.7)
1.05 (1.01–1.08)* 3281
(73.8)
386
(63.4)
1.16 (1.09–1.24)* 4153
(93.4)
548
(90)
1.04 (1.01–1.07)*
Immigrants 380
(74.1)
4064
(83.3)
1.19 (1.13–1.26)* 2.3 (1.71–3.14)* 296
(57.7)
3384
(73.5)
1.27 (1.18–1.37)* 1.65 (1.22–2.2)* 420
(81.9)
4321
(93.8)
1.15 (1.1–1.19)* 3.04 (2.2–4.3)*
Habitants of regional towns 2788
(86.9)
1709
(86)
1.01 (0.99–1.03) 2335
(72.8)
1394
(70.1)
1.04 (1–1.08)* 2978
(92.8)
1826
(91.9)
1.01 (0.99–1.03)
Having <3 children 4304
(86.6)
253
(87.2)
0.99 (0.95–1.04) 3590
(72.2)
190
(65.5)
1.1 (1.01–1.2) * 4600
(92.6)
271
(93.4)
0.99 (0.96–1.02)
single parents 246
(81.7)
4315
(87)
0.94 (0.89–0.99)* 203
(67.4)
3574
(72.1)
0.93 (0.86–1.01) 272
(90.4)
4596
(92.7)
0.97 (0.94–1.01)
Child with non recurrent URIs 3777
(86.5)
704
(88.9)
0.97 (0.95–1) 3141
(71.9)
586
(74)
0.97 (0.93–1.01) 4052
(92.8)
734
(92.7)
1 (0.98–1.02)
relative paediatrician 83
(84.7)
3522
(87.1)
0.97 (0.89–1.06) 73
(74.5)
2907
(71.9)
1.04 (0.92–1.17) 93
(94.9)
3741
(92.5)
1.03 (0.98–1.07)
Poor access to healthcare system 2610
(88.9)
1869
(84.6)
1.05 (1.03–1.07)* 0.84 (0.75–0.94)* 2143
(73)
1574
(71.3)
1.02 (0.99–1.06) 2751
(93.7)
2027
(91.8)
1.02 (1–1.04)*