Headache · 2015
The role of fear of pain in headache.
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Black Anna Katherine, Fulwiler Joshua C, Smitherman Todd A
Аннотация
BACKGROUND: Recurrent headache sufferers are often fearful of pain, which disrupts thought processes, interferes with daily activities, and may maintain headache-related disability through avoidance and associated negative reinforcement.
OBJECTIVE: The aim of this cross-sectional study was to (1) examine differences in fear of pain (FOP) between headache sufferers and non-headache controls; (2) examine differences in FOP across primary headache diagnostic groups; (3) assess the extent to which FOP predicts headache variables (eg., severity, frequency, disability); and (4) determine whether FOP mediates the relationship between pain severity and headache-related disability.
METHODS: The sample consisted of 908 young adults (M age = 19.5 years; 64.9% female). Of those, 237 (26.1%) met the diagnostic criteria for episodic tension-type headache (TTH), 232 (25.6%) for episodic migraine (167 [18.4%] without aura and 65 [7.2%] with aura), 38 (4.2%) for chronic migraine, and 19 (2.1%) for chronic TTH; 382 (42.1%) served as non-headache controls.
RESULTS: FOP differed among groups, with headache sufferers reporting greater FOP than those without headache; migraineurs typically endorsed greater FOP than those with TTH. Among those with headache, FOP significantly predicted headache severity (R(2) = 6.1%) and frequency (R(2) = 4.5%), and accounted for more variance in disability (R(2) = 17.5%) than gender, anxiety, and depression combined (13.8%). Pain severity and disability were strongly associated (r = 0.61, P < .001), and FOP partially mediated this association (indirect effect point estimate = 0.38; 95% confidence interval: 0.23-0.57).
CONCLUSIONS: FOP differentiates migraineurs from those without headache and plays a significant role in primary headache, particularly in headache-related disability. Findings build upon and extend those from previous chronic pain studies and highlight the need for longitudinal and experimental studies to further explore this construct in headache.
OBJECTIVE: The aim of this cross-sectional study was to (1) examine differences in fear of pain (FOP) between headache sufferers and non-headache controls; (2) examine differences in FOP across primary headache diagnostic groups; (3) assess the extent to which FOP predicts headache variables (eg., severity, frequency, disability); and (4) determine whether FOP mediates the relationship between pain severity and headache-related disability.
METHODS: The sample consisted of 908 young adults (M age = 19.5 years; 64.9% female). Of those, 237 (26.1%) met the diagnostic criteria for episodic tension-type headache (TTH), 232 (25.6%) for episodic migraine (167 [18.4%] without aura and 65 [7.2%] with aura), 38 (4.2%) for chronic migraine, and 19 (2.1%) for chronic TTH; 382 (42.1%) served as non-headache controls.
RESULTS: FOP differed among groups, with headache sufferers reporting greater FOP than those without headache; migraineurs typically endorsed greater FOP than those with TTH. Among those with headache, FOP significantly predicted headache severity (R(2) = 6.1%) and frequency (R(2) = 4.5%), and accounted for more variance in disability (R(2) = 17.5%) than gender, anxiety, and depression combined (13.8%). Pain severity and disability were strongly associated (r = 0.61, P < .001), and FOP partially mediated this association (indirect effect point estimate = 0.38; 95% confidence interval: 0.23-0.57).
CONCLUSIONS: FOP differentiates migraineurs from those without headache and plays a significant role in primary headache, particularly in headache-related disability. Findings build upon and extend those from previous chronic pain studies and highlight the need for longitudinal and experimental studies to further explore this construct in headache.