Table 5. Univariate logistic regression (factors predicting the development of plantar fasciitis) .

Univariate logistic regression (factors predicting having plantar fasciitis)
Factor		P-Value	Odds Ratio	Confidence Interval
Gender (male vs female)		< 0.001*	0.57	0.42	0.78
Age (less than 40 years is the referent)
40 - 55 years		< 0.001*	3.21	2.25	4.59
56 - 65 years		0.02*	3.84	1.24	11.94
Older than 65 years		0.536	2.40	0.15	38.67
BMI (Underweight is the referent)
Normal weight		0.586	0.85	0.47	1.54
Overweight		0.169	1.53	0.83	2.82
Obesity		0.001*	2.97	1.57	5.62
Having pes planus (low-arched) (yes vs no)		0.011*	0.35	0.16	0.79
Having weakness of the gastrocnemius, soleus, and the intrinsic foot muscles (yes vs no)		0.002*	7.73	2.18	27.38
Exercise (jogging) (yes vs no)		0.076	0.65	0.41	1.05
Exercise (walking) (yes vs no)		0.258	0.82	0.58	1.16
Exercise (ride a bicycle) (yes vs no)		0.405	1.33	0.68	2.61
Exercise (football, baseball, handball) (yes vs no)		0.004*	2.92	1.40	6.11
How much standing or walking is required from you by your job? (None is the referent)
Great amount		< 0.001*	2.96	1.81	4.85
Moderate amount		0.002*	1.96	1.28	3.00
A little amount		0.331	0.77	0.45	1.31
Hours per day on the job to be standing or walking (less than three hours is the referent)
3 - 6 hours		< 0.001*	1.91	1.37	2.67
6 - 12 hours		0.02*	1.88	1.11	3.18
More than 12 hours		0.309	2.31	0.46	11.63
Hours on the job to be sitting (less than three hours is the referent)
3 - 6 hours		0.214	0.81	0.58	1.13
6 - 12 hours		0.571	0.88	0.55	1.39
More than 12 hours		0.315	0.51	0.14	1.91
Hours per day required by your daily activities to be standing or walking (less than three hours is the referent)
3 - 6 hours		0.403	1.16	0.82	1.65
6 - 12 hours		0.107	1.46	0.92	2.32
More than 12 hours		0.238	1.90	0.65	5.54
Hours per day required by your daily activities to be sitting (less than three hours is the referent)
3 - 6 hours		0.265	0.82	0.57	1.16
6 - 12 hours		0.605	1.13	0.72	1.77
More than 12 hours		0.773	1.13	0.51	2.50
* Significant at level 0.05