Gastroenterol Res

Gastroenterology Research, ISSN 1918-2805 print, 1918-2813 online, Open Access

Article copyright, the authors; Journal compilation copyright, Gastroenterol Res and Elmer Press Inc

Journal website http://www.gastrores.org

Original Article

Volume 3, Number 5, October 2010, pages 191-200

Factor structures of the Swedish Version of the RFIPC: Investigating the Validity of Measurements of IBD Patients’ Worries and Concerns

Figure 1. Graphical representation of the correlated four-factor model of the RFIPC. The factor loadings are standardized loadings.

**Table 1.** Descriptive Statistics, Demographic and Illness-related Factors
	N = 195
Diagnosis CD/UC (n)	81/114
Disease duration (mean years/range)	8/1-23
Male/Female (n)	97/98
Age (mean/range)	45/17-75
Spouse/Single (n)	144/51
Education: < 12 years/>12 years	29/166
Smoker/Ex-smoker/Never smoked (n)	34/83/78

Table 1. Descriptive Statistics, Demographic and Illness-related Factors

N = 195

Diagnosis CD/UC (n)

81/114

Disease duration (mean years/range)

8/1-23

Male/Female (n)

97/98

Age (mean/range)

45/17-75

Spouse/Single (n)

144/51

Education: < 12 years/>12 years

29/166

Smoker/Ex-smoker/Never smoked (n)

34/83/78

**Table 2.** Summary of Statistics for the RFIPC
	Median	Mean	SD	Range
Possible score 0 - 1300, * Possible score 0 - 300, *Possible score 0 - 400, **Possible score 0 - 200
Total sample (n = 195)
- RFIPC 1 (Impact of disease)*	303	392.3	318.78	0 - 1198
- RFIPC 2 (Sexual intimacy)**	26	68.2	85.70	0 - 300
- RFIPC 3 (Complications)***	140	158.1	123.26	0 - 400
- RFIPC 4 (Body stigma)***	20	48.6	59.94	0 - 200

Males (n = 97)
- RFIPC 1 (Impact of disease)*	232	356.6	317.35	0 - 1198
- RFIPC 2 (Sexual intimacy)**	24	60.4	78.27	0 - 295
- RFIPC 3 (Complications)***	130	145.5	112.03	0 - 400
- RFIPC 4 (Body stigma)****	13	42.4	57.60	0 - 200

Females (n = 98)
- RFIPC 1 (Impact of disease)*	388	427.4	317.90	0 - 1131
- RFIPC 2 (Sexual intimacy)**	34	75.8	92.17	0 - 300
- RFIPC 3 (Complications)***	147	170.4	132.78	0 - 400
- RFIPC 4 (Body stigma)****	29	54.8	61.83	0 - 200

Crohn’s Disease (n = 81)
- RFIPC 1 (Impact of disease)*	443	448.0	324.19	0 - 1198
- RFIPC 2 (Sexual intimacy)**	50	78.0	86.64	0 - 300
- RFIPC 3 (Complications)***	158	174.8	122.43	0 - 400
- RFIPC 4 (Body stigma)****	34	56.6	62.02	0 - 200

Ulcerative colitis (n = 114)
- RFIPC 1 (Impact of disease)*	258	353.3	310.42	0-1186
- RFIPC 2 (Sexual intimacy)**	14	61.3	84.74	0-295
- RFIPC 3 (Complications)***	106	146.4	123.02	0-400
- RFIPC 4 (Body stigma)****	13	43.0	58.06	0-200

Table 2. Summary of Statistics for the RFIPC

Median

Mean

Range

*Possible score 0 - 1300, ** Possible score 0 - 300, ***Possible score 0 - 400, ****Possible score 0 - 200

Total sample (n = 195)

- RFIPC 1 (Impact of disease)*

303

392.3

318.78

0 - 1198

- RFIPC 2 (Sexual intimacy)**

68.2

85.70

0 - 300

- RFIPC 3 (Complications)***

140

158.1

123.26

0 - 400

- RFIPC 4 (Body stigma)***

48.6

59.94

0 - 200

Males (n = 97)

- RFIPC 1 (Impact of disease)*

232

356.6

317.35

0 - 1198

- RFIPC 2 (Sexual intimacy)**

60.4

78.27

0 - 295

- RFIPC 3 (Complications)***

130

145.5

112.03

0 - 400

- RFIPC 4 (Body stigma)****

42.4

57.60

0 - 200

Females (n = 98)

- RFIPC 1 (Impact of disease)*

388

427.4

317.90

0 - 1131

- RFIPC 2 (Sexual intimacy)**

75.8

92.17

0 - 300

- RFIPC 3 (Complications)***

147

170.4

132.78

0 - 400

- RFIPC 4 (Body stigma)****

54.8

61.83

0 - 200

Crohn’s Disease (n = 81)

- RFIPC 1 (Impact of disease)*

443

448.0

324.19

0 - 1198

- RFIPC 2 (Sexual intimacy)**

78.0

86.64

0 - 300

- RFIPC 3 (Complications)***

158

174.8

122.43

0 - 400

- RFIPC 4 (Body stigma)****

56.6

62.02

0 - 200

Ulcerative colitis (n = 114)

- RFIPC 1 (Impact of disease)*

258

353.3

310.42

0-1186

- RFIPC 2 (Sexual intimacy)**

61.3

84.74

0-295

- RFIPC 3 (Complications)***

106

146.4

123.02

0-400

- RFIPC 4 (Body stigma)****

43.0

58.06

0-200

**Table 3.** Fit Indices for CFA Models of the RFIPC
Model	X²	df	CFI	SRMR	RMSEA
Single-factor model	1227.2	209	0.73	0.074	0.159
Four-factor model	601.8	203	0.827	0.061	0.101
Four-factor model, CE permitted	427.2	201	0.902	0.056	0.076

Table 3. Fit Indices for CFA Models of the RFIPC

Model

X²

CFI

SRMR

RMSEA

Single-factor model

1227.2

209

0.73

0.074

0.159

Four-factor model

601.8

203

0.827

0.061

0.101

Four-factor model, CE permitted

427.2

201

0.902

0.056

0.076

**Table 4.** Spearman’s Correlation Coefficient Describing Relationship Between RFIPC Factors and IBDQ Factors and Health Index (HI)
	IBDQ 1	IBDQ 2	IBDQ 3	IBDQ 4	HI
^*Significant p-values.
RFIPC 1 (Impact of disease)	0.35*	0.46*	0.34*	0.69*	- 0.52*
RFIPC 2 (Sexual intimacy)	0.31*	0.34*	0.37*	0.55*	- 0.43*
RFIPC 3 (Complications)	0.27	0.32*	0.20	0.62*	- 0.29*
RFIPC 4 (Body stigma)	0.29*	0.29*	0.18	0.53*	- 0.44*

Table 4. Spearman’s Correlation Coefficient Describing Relationship Between RFIPC Factors and IBDQ Factors and Health Index (HI)

IBDQ 1

IBDQ 2

IBDQ 3

IBDQ 4

Bowel symptoms

Systemic symptoms

Social function

Emotional function

^*Significant p-values.

RFIPC 1 (Impact of disease)

0.35*

0.46*

0.34*

0.69*

- 0.52*

RFIPC 2 (Sexual intimacy)

0.31*

0.34*

0.37*

0.55*

- 0.43*

RFIPC 3 (Complications)

0.27

0.32*

0.20

0.62*

- 0.29*

RFIPC 4 (Body stigma)

0.29*

0.18

0.53*

- 0.44*