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10
研究対象の労働者
(4事業所の従業員)
1185名
質問票 (AIS)
質問票回答者
531名
AIS 6点以上の者
162名
研究参加辞退者
119名
研究参加者
43名
10晩のデータが得られた者
42名
図1．研究対象者
図2. アテネ不眠尺度回答者全員の得点分布図
Emfit-QS
ISX-80
♪♪♪♪♪
WiFi
図 3. 快眠音システム設置イメージ
図4. 分析対象者のアテネ不眠尺度得点分布図 (n=42)
表1．快眠音と無音での結果比較（n=42）
快眠音
無音
平均値
平均値
18.2
19.0
睡眠潜時（分）
332.1
337.3
睡眠時間（分）
91.2
90.3
睡眠効率（％）
paired t-test
p-value 標準誤差
0.730
0.243
0.175
2.1
4.3
0.6
95%信頼区間
-3.5
-3.6
-2.1
4.9
13.9
0.4
...
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