Results (
Thai) 1:
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We asked the participants who had a driver’s license and
frequently drove whether they had any physical symptoms that
could affect driving performance. The 12 symptoms are: (1) symptoms relating to vision, such as a decrease or narrowing of vision
(vision problems); (2) symptoms relating to hearing, such as a
decrease in hearing or balance (hearing problems); (3) symptoms
that are accompanied by a sudden loss of consciousness, such as
seizure or fainting (loss of consciousness); (4) sleep disorders that
are accompanied by severe sleepiness in the afternoon (sleep
disorders); (5) dizziness or headaches (dizziness); (6) difficulties or
pain when moving hands, fingers, and arms (pain in hands, fingers,
and arms); (7) difficulties or pain when moving feet and toes (pain in
feet and toes); (8) difficulties or pain when moving the neck, back,
and hip (pain in neck, back, and hip); (9) symptoms involving loss of
feeling or sensation in the upper body (symptoms in upper body);
(10) symptoms involving loss of feeling or sensation in the lower
body (symptoms in lower body); (11) symptoms that have the
potential to hinder cognition, calculation, judgment, or the opera-
tion of a vehicle (cognitive impairments); and (12) illnesses that
preclude driving according to a doctor’s advice (illnesses precluding
driving according to a doctor’s advice). Nine of these symptoms
(Nos. 1, 3–10) were previously reported was reported and the remaining symptoms (Nos. 11 and 12) are
related to reasons for suspension or refusal of a driver’s license
according to the Order for Enforcement of the RTA. For each item,
participants selected the one response that best applied to
their current condition with a four-point Likert scale (always,
sometimes, rarely, never). For the analyses a response of ‘‘always’’ or
‘‘sometimes’’ counted as an occurrence of the symptom.
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