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Item from Pittsburgh Sleep Quality Index. Buysse et. al 1989 (PubMed ID: 2748771)External semantic reference: CDEOriginal text: The following questions relate to your usual sleep habits during the past month only. Your answers should indicate the most accurate reply for the majority of days and nights in the past month. During the past month how often have you had trouble sleeping because you: Feel too cold? Search for all PSQI variables within this dataset

Item from Pittsburgh Sleep Quality Index. Buysse et. al 1989 (PubMed ID: 2748771)External semantic reference: CDEOriginal text: The following questions relate to your usual sleep habits during the past month only. Your answers should indicate the most accurate reply for the majority of days and nights in the past month. During the past month how often have you had trouble sleeping because you: Feel too hot? Search for all PSQI variables within this dataset

Item from Pittsburgh Sleep Quality Index. Buysse et. al 1989 (PubMed ID: 2748771)External semantic reference: CDEOriginal text: The following questions relate to your usual sleep habits during the past month only. Your answers should indicate the most accurate reply for the majority of days and nights in the past month. During the past month how often have you had trouble sleeping because you: Have bad dreams? Search for all PSQI variables within this dataset

Item from Pittsburgh Sleep Quality Index. Buysse et. al 1989 (PubMed ID: 2748771)External semantic reference: CDEOriginal text: The following questions relate to your usual sleep habits during the past month only. Your answers should indicate the most accurate reply for the majority of days and nights in the past month. During the past month how often have you had trouble sleeping because you: Have pain? Search for all PSQI variables within this dataset

Item from Pittsburgh Sleep Quality Index. Buysse et. al 1989 (PubMed ID: 2748771)External semantic reference: CDEOriginal text: The following questions relate to your usual sleep habits during the past month only. Your answers should indicate the most accurate reply for the majority of days and nights in the past month. During the past month how often have you had trouble sleeping because you: Other reason(s), please describe (select not during the past month if no other reasons apply) Search for all PSQI variables within this dataset

Item from Pittsburgh Sleep Quality Index. Buysse et. al 1989 (PubMed ID: 2748771)External semantic reference: CDEOriginal text: The following questions relate to your usual sleep habits during the past month only. Your answers should indicate the most accurate reply for the majority of days and nights in the past month. During the past month, how often have you taken medicine to help you sleep (prescribed or over the counter)? Search for all PSQI variables within this dataset

Item from Pittsburgh Sleep Quality Index. Buysse et. al 1989 (PubMed ID: 2748771)External semantic reference: CDEOriginal text: The following questions relate to your usual sleep habits during the past month only. Your answers should indicate the most accurate reply for the majority of days and nights in the past month. During the past month, how often have you had trouble staying awake while driving, eating meals, or engaging in social activity? Search for all PSQI variables within this dataset

Item from Pittsburgh Sleep Quality Index. Buysse et. al 1989 (PubMed ID: 2748771)External semantic reference: CDEOriginal text: The following questions relate to your usual sleep habits during the past month only. Your answers should indicate the most accurate reply for the majority of days and nights in the past month. During the past month, how much of a problem has it been for you to keep up enough enthusiasm to get things done? Search for all PSQI variables within this dataset

Item from Pittsburgh Sleep Quality Index. Buysse et. al 1989 (PubMed ID: 2748771)External semantic reference: CDEOriginal text: The following questions relate to your usual sleep habits during the past month only. Your answers should indicate the most accurate reply for the majority of days and nights in the past month.During the past month, how would you rate your sleep quality overall? Search for all PSQI variables within this dataset

Subscore based on 1 item from Pittsburgh Sleep Quality Index, with a range of 0-3. A score of "0" indicates no difficulty, while a score of "3" indicates severe difficulty. Buysse et. al 1989 (PubMed ID: 2748771) External semantic reference: CDE Search for all PSQI variables within this dataset Source: :psqi_9:

Subscore based on 2 items from Pittsburgh Sleep Quality Index, with a range of 0-3. A score of "0" indicates no difficulty, while a score of "3" indicates severe difficulty. Buysse et. al 1989 (PubMed ID: 2748771) External semantic reference: CDE Search for all PSQI variables within this dataset Source: :psqi_2: , :psqi_5a:

Subscore based on 1 item from Pittsburgh Sleep Quality Index, with a range of 0-3. A score of "0" indicates no difficulty, while a score of "3" indicates severe difficulty. Buysse et. al 1989 (PubMed ID: 2748771)External semantic reference: CDE Search for all PSQI variables within this dataset Source: :psqi_4:

Subscore based on 3 items from Pittsburgh Sleep Quality Index, with a range of 0-3. A score of "0" indicates no difficulty, while a score of "3" indicates severe difficulty. Buysse et. al 1989 (PubMed ID: 2748771)External semantic reference: CDE Search for all PSQI variables within this dataset Source: :psqi_1:, :psqi_3:, :psqi_4:

Subscore based on 9 items from Pittsburgh Sleep Quality Index, with a range of 0-3. A score of "0" indicates no difficulty, while a score of "3" indicates severe difficulty. Buysse et. al 1989 (PubMed ID: 2748771)External semantic reference: CDE Search for all PSQI variables within this dataset Source: :psqi_5b:, :psqi_5c:, :psqi_5d:, :psqi_5e:, :psqi_5f:, :psqi_5g:, :psqi_5h:, :psqi_5i:, :psqi_5j:

Subscore based on 1 item from Pittsburgh Sleep Quality Index, with a range of 0-3. A score of "0" indicates no difficulty, while a score of "3" indicates severe difficulty. Buysse et. al 1989 (PubMed ID: 2748771)External semantic reference: CDE Search for all PSQI variables within this dataset Source: :psqi_6:

Subscore based on 2 items from Pittsburgh Sleep Quality Index, with a range of 0-3. A score of "0" indicates no difficulty, while a score of "3" indicates severe difficulty. Buysse et. al 1989 (PubMed ID: 2748771)External semantic reference: CDE Search for all PSQI variables within this dataset Source: :psqi_7:, :psqi_8:

Summary score for the Pittsburgh Sleep Quality Index. Buysse et. al 1989 (PubMed ID: 2748771) Seven component scores are derived, from 0 (no difficulty) to 3 (severe difficulty). The global score is the sum of the seven components (0 to 21), while higher scores indicate worse sleep quality.External semantic reference: CDE Search for all PSQI variables within this dataset

... in SHHS. Respiratory Disturbance Index (RDI): A number of ... + 0.1). Obstructive Apnea Index (OAI): There is one OAI index in the data set. ... predictor variable. Central Apnea Index (CAI): Several variables describe ...

... Apnea Quality of Life Index. The following survey instruments ... Apnea Quality of Life Index (SAQLI) * Quality of ... nsrr_ever_smokerEver smoked cigarettes nsrr_ahi_chicago1999Apnea-Hypopnea Index: (All apneas + hypopneas ...