Assessment of pain-related fear in individuals with chronic painful conditions

Figures & data

Table 1 Number and percentage for demographic characteristics

Variables	Number (n)	Percentage
Age (years)
18–30	128	23
31–40	153	28
41–50	135	25
51–60	84	15
60+	50	9
Sex
Male	40	7
Female	510	93
Education level
Schooling completed	144	26
Bachelor’s degree	136	25
Postgraduate training	151	28
Others	119	22
Currently employed
Yes	304	55
No	246	45
Family income
Low	202	37
Middle	295	54
High	53	10
Marital status
Married	270	49
Divorced	32	6
Separated	18	3
Widowed	8	1
Single but cohabiting	92	17
Single	130	24
Length of pain condition
6–12 months	35	6
2–5 years	170	31
6–10 years	156	28
>11 years	189	34
Severity of pain in last 2 weeks
No pain	4	0.7
Mild pain	45	8
Moderate pain	260	47
Severe pain	206	37
Worst pain	35	6
Frequency of pain in last 2 weeks
1–3 days	26	8
4–6 days	59	11
7–9 days	64	12
10–12 days	58	11
Everyday	343	62

Table 2 Results from logistic regression model predicting longer duration of pain

Duration of pain	Odds ratio	P-value	95% CI
Age
18–40 years	0.54	0.01	0.37–0.80
Employment status
No	1.60	0.01	1.14–2.50
Fear of pain subscales
Severe	1.40	0.01	1.12–1.84
Minor	0.80	0.10	0.62–1.04
Medical	0.77	0.01	0.61–0.98

Table 3 Results from logistic regression model predicting frequency of pain

Frequency of pain	Odds ratio	P-value	95% CI
Age
18–40 years	0.57	0.01	0.39–0.84
Employment status
No	1.80	0.01	1.23–2.70
Fear of pain subscale
Severe	1.33	0.01	1.04–1.70
Minor	0.94	0.60	0.75–1.22
Medical	0.79	0.01	0.62-.1.00

Table 4 Factor loadings and squared multiple correlations of the FPQ-III

Item no	1	3	5	6	9	10	13	18	25	27
Severe FL	0.66	0.75	0.78	0.78	0.74	0.78	0.82	0.61	0.62	0.38
r	0.46	0.73	0.64	0.73	0.70	0.69	0.66	0.59	0.40	0.45
Item no	2	4	7	12	19	22	23	24	28	30
Minor FL	0.58	0.63	0.69	0.53	0.69	0.65	0.68	0.66	0.60	0.50
r	0.51	0.52	0.51	0.52	0.57	0.56	0.47	0.52	0.55	0.35
Item no	8	11	14	15	16	17	20	21	26	29
Medical FL	0.78	0.79	0.75	0.48	0.31	0.71	0.49	0.57	0.60	0.60
r	0.68	0.72	0.58	0.55	0.54	0.60	0.62	0.58	0.68	0.67

Note: r, squared multiple correlations.

Abbreviations: FL, factor loading; FPQ-III, Fear of Pain Questionnaire-III.

Table 5 Pearson’s correlation and Cronbach’s α for the FPQ-III subscales (N=490)

	Severe pain	Minor pain	Medical pain	Cronbach’s α
Severe pain				0.71
Minor pain	0.57a			0.65
Medical pain	0.49a	0.55a		0.73

Note:

a Pearson’s correlation.

Abbreviation: FPQ-III, Fear of Pain Questionnaire-III.