Objective Here, we examine whether the dynamics of the four dimensions of the circumplex
model of affect assessed by ecological momentary assessment (EMA) differ among those …

Introduction Low back pain and neck pain are among the most commonly reported forms of
chronic pain worldwide, and are associated with significant distress, disability and …

Background Neuropathic pain (NP) caused by a lesion or disease of the somatosensory
nervous system is a common chronic pain condition that has a major impact on quality of life …

Mobile digital health (mHealth) studies often collect multiple within-day self-reported
assessments of participants' behaviour and health. Indexed by time of day, these …

Discussion: These results highlight the existence of meaningful cross-cultural variations in
the occurrence of common forms of chronic musculoskeletal pain. Psychological and social …