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

Table 10 Spearman’s rank correlation coefficient and linear regression analysis for smoking habits.

Correlation coefficient (r)	Smoking
Correlation coefficient (r)	Male	Female
Activity limitation	− 0.1371	− 0.0953
Small joint disability	0.1643	0.0310
Large joint disability	0.3323	0.1972
Rheumatoid factor	0.1149	0.1149
CRP	− 0.2717	− 0.2717
Hyaluronic acid	0.2297	0.2297
Linear regression analysis (p value)	Smoking
Linear regression analysis (p value)	Male	Female
Activity limitation	0.8119	0.5323
Small joint disability	0.5320	0.7570
Large joint disability	0.5140	0.1810
Rheumatoid factor	0.2920	0.4620
CRP	0.1730	0.2560
Hyaluronic acid	0.0086	0.3370

Analysis was performed with 23 males and 42 females who were able to provide blood. The upper half shows the correlation coefficient, and the lower half shows the p value for linear regression analysis

ISSN: 1880-6805