Psychometric properties of the Danish versions of headache-specific locus of control scale and headache management self-efficacy scale.
The purpose of the study is to test the cross-cultural adaptation and psychometric properties of a Danish version of the Headache-Specific Locus of Control Scale (HSLC) and the Headache Management Self-Efficacy Scale (HMSE) in a tertiary headache centre. HSLC and HMSE are headache-specific measures of locus of control (LOC) and SE. The Danish versions of the HSLC and the HMSE were created according to the guidelines for cross-cultural adaptation of self-report measures. The HSLC and HMSE were administered to 135 consecutively referred headache patients in a tertiary headache centre together with other self-report measures concerning general distress, anxiety, depression, and health-related quality of life. Internal stability of the HSLC subscales and the HMSE were analysed using Chronbach's alpha coefficient. The psychometric properties of the Danish version of the HSLC and the HMSE were analysed using Spearman's rank correlation test. Cronbach's alpha ranged from 0.71 to 0.88 and the corrected item-total correlations were acceptable. The mean corrected item-total correlations for the three subscales of HSLC (health-care LOC, internal LOC, and chance LOC) were 0.40, 0.59, and 0.40 respectively. The mean corrected item-total correlation for HMSE was 0.42. High HMSE scores were found to be associated with high scores on internal LOC and low scores on chance LOC. High scores on chance LOC were positively associated with low scores on social functioning independently of headache frequency. The results are consistent with the earlier findings of the original American versions of HMSE and HSLC. These scales seem to be valid and valuable tools for testing of psychological aspects related to level of functioning and quality of life for headache patients across different cultures of Western society. The HMSE and the HSLC proved valuable in clinical headache research. Since scores on HSLC and HMSE were associated with measures of physical and social functioning the HSLC and HMSE may be of particular interest for intervention studies aimed at enhancing level of functioning for headache patients.
Hansen
Jacob Sander
JS
Department of Neurology, Danish Headache Centre, University of Copenhagen, Glostrup Hospital, Copenhagen, Denmark. jsha@glo.regionh.dk
Bendtsen
Lars
L
Jensen
Rigmor
R
D000223:Adaptation, Psychological; D000293:Adolescent; D000328:Adult; D000368:Aged; D003718:Denmark; D005260:Female; D006261:Headache / Q000523:psychology*; D006801:Humans; D007389:Internal-External Control; D008297:Male; D008875:Middle Aged; D011594:Psychometrics / Q000379:methods*; D011788:Quality of Life / Q000523:psychology*; D015203:Reproducibility of Results; D012720:Severity of Illness Index; D055815:Young Adult
Curr Pain Headache Rep. 2004 Dec;8(6):489-99
15509464
Acta Psychiatr Scand. 1998 Jan;97(1):42-6
9504702
J Clin Epidemiol. 1993 Dec;46(12):1417-32
8263569
Spine (Phila Pa 1976). 2000 Dec 15;25(24):3186-91
11124735
Qual Life Res. 2000 Mar;9(2):185-93
10983482
J Clin Epidemiol. 1998 Nov;51(11):913-23
9817108
Pain. 2000 Mar;85(1-2):115-25
10692610
Headache. 1992 May;32(5):239-41
1628962
Curr Pain Headache Rep. 2008 Dec;12(6):447-50
18973739
Cephalalgia. 2004;24 Suppl 1:9-160
14979299
Depress Anxiety. 1997;6(4):140-6
9559283
J Affect Disord. 1998 Jan;47(1-3):195-200
9476761
Headache. 1998 Oct;38(9):662-7
15613177
Headache. 2000 Sep;40(8):647-56
10971661
Acta Psychiatr Scand. 2006 Jun;113(6):477-84
16677224
J Am Osteopath Assoc. 2000 Sep;100(9 Suppl):S14-21
11070660
J Behav Med. 1999 Aug;22(4):327-40
10495966
J Consult Clin Psychol. 1988 Dec;56(6):893-7
3204199
Psychopathology. 1998;31(3):160-8
9636945
Headache. 2002 Jul-Aug;42(7):663-74
12482221
J Clin Epidemiol. 1998 Nov;51(11):991-9
9817117
Qual Life Res. 2001;10(5):405-13; discussion 415-20
11763203
Clin J Pain. 1994 Sep;10(3):174-90
7833575
Acta Psychiatr Scand. 2004 Sep;110(3):225-9
15283743
Cephalalgia. 2005 Dec;25(12):1159-67
16305604
Headache. 1990 Nov;30(11):729-34
2074167
Med Care. 1995 Apr;33(4 Suppl):AS264-79
7723455
Pain. 2009 Jun;143(3):213-222
19342174
Appl Psychophysiol Biofeedback. 1997 Mar;22(1):21-41
9287253