N H A N E S - National Health and Examination Survey

	National Health and Nutrition Examination Survey
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Respiratory Disease Questionnaire File Frequencies
(RDQ.XPT)

Problems with coughing in past year
RDQ010	Frequency	Percent	Cumulative Frequency	Cumulative Percent
.: Missing	7298	76.88	7298	76.88
1: Yes	327	3.44	7625	80.32
2: No	1865	19.65	9490	99.97
9: Don`t know	3	0.03	9493	100.00

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Episodes of coughing in past year
RDQ020G	Frequency	Percent	Cumulative Frequency	Cumulative Percent
.: Missing	9166	96.56	9166	96.56
1: Enter number	261	2.75	9427	99.30
2: 12 or more episodes	40	0.42	9467	99.73
3: Continuous	23	0.24	9490	99.97
9: Don`t know	3	0.03	9493	100.00

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Coughing most days - over 3 mo period
RDQ030	Frequency	Percent	Cumulative Frequency	Cumulative Percent
.: Missing	2203	23.21	2203	23.21
1: Yes	364	3.83	2567	27.04
2: No	6916	72.85	9483	99.89
7: Refused	3	0.03	9486	99.93
9: Don`t know	7	0.07	9493	100.00

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Bring up phlegm most days - 3 mo period
RDQ050	Frequency	Percent	Cumulative Frequency	Cumulative Percent
.: Missing	2203	23.21	2203	23.21
1: Yes	387	4.08	2590	27.28
2: No	6898	72.66	9488	99.95
7: Refused	3	0.03	9491	99.98
9: Don`t know	2	0.02	9493	100.00

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# years bringing up phlegm problem
RDQ060	Frequency	Percent	Cumulative Frequency	Cumulative Percent
.: Missing	9106	95.92	9106	95.92
Number of Years	372	3.92	9478	99.84
99999: Don`t know	15	0.16	9493	100.00

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Wheezing or whistling in chest - past yr
RDQ070	Frequency	Percent	Cumulative Frequency	Cumulative Percent
.: Missing	6	0.06	6	0.06
1: Yes	1214	12.79	1220	12.85
2: No	8260	87.01	9480	99.86
7: Refused	3	0.03	9483	99.89
9: Don`t know	10	0.11	9493	100.00

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# wheezing/whistling attacks past year
RDQ080	Frequency	Percent	Cumulative Frequency	Cumulative Percent
.: Missing	8279	87.21	8279	87.21
Number of Attacks	1179	12.42	9458	99.63
9999: Don`t know	35	0.37	9493	100.00

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Wheezing disturb sleep in past year
RDQ090	Frequency	Percent	Cumulative Frequency	Cumulative Percent
.: Missing	8279	87.21	8279	87.21
0: Never	566	5.96	8845	93.17
1: 1 or more nights per week	271	2.85	9116	96.03
2: Less than 1 night per week	370	3.90	9486	99.93
9: Don`t know	7	0.07	9493	100.00

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Chest sound wheezy during exercise
RDQ100	Frequency	Percent	Cumulative Frequency	Cumulative Percent
.: Missing	8279	87.21	8279	87.21
1: Yes	544	5.73	8823	92.94
2: No	648	6.83	9471	99.77
9: Don`t know	22	0.23	9493	100.00

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Wheezing severe enough to limit speech
RDQ110	Frequency	Percent	Cumulative Frequency	Cumulative Percent
.: Missing	8645	91.07	8645	91.07
0: No words or language	25	0.26	8670	91.33
1: Yes	198	2.09	8868	93.42
2: No	622	6.55	9490	99.97
9: Don`t know	3	0.03	9493	100.00

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Got medical attn for wheezing attack
RDQ120	Frequency	Percent	Cumulative Frequency	Cumulative Percent
.: Missing	8645	91.07	8645	91.07
Number of Times	847	8.92	9492	99.99
9999: Don`t know	1	0.01	9493	100.00

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Taken medication for wheezing -past yr
RDQ130	Frequency	Percent	Cumulative Frequency	Cumulative Percent
.: Missing	8645	91.07	8645	91.07
1: Yes	582	6.13	9227	97.20
2: No	264	2.78	9491	99.98
7: Refused	1	0.01	9492	99.99
9: Don`t know	1	0.01	9493	100.00

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Doctor prescribe wheezing medication
RDQ133	Frequency	Percent	Cumulative Frequency	Cumulative Percent
.: Missing	8911	93.87	8911	93.87
1: Yes	557	5.87	9468	99.74
2: No	24	0.25	9492	99.99
9: Don`t know	1	0.01	9493	100.00

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Limit usual activities due to wheezing
RDQ135	Frequency	Percent	Cumulative Frequency	Cumulative Percent
.: Missing	8645	91.07	8645	91.07
1: Not at all	377	3.97	9022	95.04
2: A little	280	2.95	9302	97.99
3: A fair amount	90	0.95	9392	98.94
4: A moderate amount	44	0.46	9436	99.40
5: A lot	57	0.60	9493	100.00

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Miss work or school due to wheezing
RDQ137	Frequency	Percent	Cumulative Frequency	Cumulative Percent
.: Missing	8866	93.40	8866	93.40
0: None	416	4.38	9282	97.78
1: 1 to 7	151	1.59	9433	99.37
2: 8 to 30	49	0.52	9482	99.88
3: 31 plus	8	0.08	9490	99.97
9: Don`t know	3	0.03	9493	100.00

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Had dry cough at night in past year
RDQ140	Frequency	Percent	Cumulative Frequency	Cumulative Percent
.: Missing	6	0.06	6	0.06
1: Yes	286	3.01	292	3.08
2: No	9193	96.84	9485	99.92
7: Refused	3	0.03	9488	99.95
9: Don`t know	5	0.05	9493	100.00

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This page last reviewed January 11, 2007