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Table 11 Effects of smoking on joint disorders and serological test results

From: High prevalence of rheumatoid arthritis and its risk factors among Tibetan highlanders living in Tsarang, Mustang district of Nepal

Variables Male (n = 23)
Estimate 95% CI Std.Error p value
Intercept − 3.54E−01 [− 5.96E−01, − 1.11E−01] 1.03E−01 0.0108
Activity limitation 1.56E−01 [− 1.81E−01, 4.92E−01] 1.42E−01 0.3101
Small joint disability 3.33E−03 [− 2.24E−01, 2.30E−01] 9.60E−02 0.9733
Large joint disability 2.02E−02 [− 2.74E−01, 3.14E−01] 1.24E−01 0.8756
Rheumatoid factor 7.71E−03 [− 2.58E−01, 2.74E−01] 1.12E−01 0.9472
CRP 4.25E−03 [− 2.40E−01, 2.49E−01] 1.03E−01 0.9684
Hyaluronic acid 6.03E−01 [3.06E−01, 9.01E−01] 1.26E−01 0.0020
Variables Female (n = 42)
Estimate 95% CI Std.Error p value
Intercept − 1.54E−01 [− 5.53E−01, 2.46E−01] 1.88E−01 0.4269
Activity limitation − 2.52E−01 [− 7.09E−01, 2.05E−01] 2.16E−01 0.2598
Small joint disability 3.70E−01 [− 1.35E−00, 2.09E−00] 8.13E−01 0.655
Large joint disability − 1.04E−01 [− 6.99E−01, 4.92E−01] 2.81E−01 0.7161
Rheumatoid factor − 4.04E−01 [− 1.83E−00, 1.02E−00] 6.74E−01 0.5572
CRP − 3.54E−01 [− 5.96E−01, − 1.11E−01] 1.03E−01 0.0108
Hyaluronic acid 1.56E−01 [− 1.81E−01, 4.92E−01] 1.42E−01 0.3101
  1. Analysis was performed with 23 males and 42 females who were able to provide blood samples using multiple linear regression analysis. “Estimate” in the table indicates a standardized parameter estimate, and its 95% CI is also listed
  2. Position: After the paragraph in section “Effects of smoking habits on joint symptoms” in the “Results” section (after Table 10)