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This study of subjects with multiple sclerosis or hemiparesis assessed the interrater and test-retest reliability of temporal-distance (TD) gait measures and examined the relationship of TD values to functional ambulation ability. Sixty-one subjects ambulated twice on a 9-m (30-ft) paper walkway and rested 15 minutes between trials. An ink footprint record(More)
BACKGROUND Infection with Helicobacter pylori is the main cause of peptic-ulcer disease. Treatment of this infection might lower the prevalence of dyspepsia in the community and improve quality of life. We investigated this possibility in a double-blind randomised controlled trial. METHODS Individuals aged 40-49 years were randomly selected from the lists(More)
Accurate information on behavior of young children at home is crucial to the study of child development. The present study compared parent diaries of 5-year-old children's time spent with television to concurrent automated time-lapse video observations. In addition, a number of control groups were employed to assess the effects of observational equipment in(More)
The TV-viewing behavior of 99 families with young children was videotaped by automated time-lapse recording equipment placed in homes for 10-day periods. The 99 families comprised 460 individuals from infants to 62 years of age. Time-sample analyses of 4,672 hours of recordings indicated that the TV-viewing room contained no viewers 14.7% of the time that(More)
BACKGROUND Heightened reactivity to unpredictable threat (U-threat) is a core individual difference factor underlying fear-based psychopathology. Little is known, however, about whether reactivity to U-threat is a stable marker of fear-based psychopathology or if it is malleable to treatment. The aim of the current study was to address this question by(More)
BACKGROUND Screening for Helicobacter pylori reduces dyspepsia and dyspepsia-related costs in positive individuals. AIMS To assess effect of knowledge of H. pylori status on healthcare-seeking in negative individuals. METHODS H. pylori-negative subjects in a community screening programme were randomized to placebo triple therapy or informed of their(More)
Skeletal muscle wasting is a debilitating consequence of respiratory disease, particularly well characterised in individuals with chronic obstructive pulmonary disease (COPD). However, it remains controversial whether peripheral muscle dysfunction is an intrinsic part of the respiratory disease process, or a generalised response to multiple atrophy stimuli.(More)
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