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Survey data quality for persons over 79 years. Odd Frank Vaage Statistics Norway Q2014, Vienna 2-5 June 2014. Background :. Traditionally we have experienced low response rate in our surveys among persons older than 79 years: Lack of interest - PowerPoint PPT Presentation
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Survey data quality for persons over 79 years
Odd Frank Vaage
Statistics Norway
Q2014, Vienna 2-5 June 2014
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Background:
Traditionally we have experienced low response rate in our surveys among persons older than 79 years:• Lack of interest
• Not in a health condition to answer the questions
New surveydata about older people show:• They take more active part in social life
• Have more time for leasure activities
• Have more money
• Have better health
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Gross sample, non response and net sample in the Norwegian media use survey represented by persons 67-79 years, 1991-2013. Per cent
Gross sample Non response Net sample
1991 12 20 10
1995 12 19 10
2000 11 16 9
2005 12 14 11
2010 12 10 12
2011 12 9 13
2012 11 9 12
2013 12 11 13
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Response rate for different age groups in the surveys on living conditions 1997-2013. Per cent
16-19 years
20-24years
25-34 years
35-44 years
45-54 years
55-66 years
67-74 years
75-79 years
80-84 years
85-89 years
90 years or older
Total: 16 years or older
1997 74,0 70,9 73,9 72,7 69,3 66,8 62,1 57,6 51,1 51,7 37,9 68,9
2001 69,0 64,5 67,5 72,1 69,1 66,3 66,2 55,5 53,9 59,4 24,0 66,9
2004 69,3 67,0 69,0 74,5 72,6 68,4 65,2 60,4 51,6 56,3 40.0 69,1
2007 76,2 61,8 65,7 68,9 65,7 68,6 65,9 60,6 48,6 57,8 50,0 66,3
2011 58,0 45,8 47,9 52,6 55,9 56,9 60,1 51,8 53,7 38,6 18,7 53,1
2013 58,5 50,0 44,8 50,7 52,6 56,4 59,3 53,5 45,3 34,0 22,0 51,7
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Response rate for different age groups in the surveys on living conditions 1997, 2004, 2011 and 2013. Per cent
16-19 20-24 25-34 35-44 45-54 55-66 67-74 75-79 80-84 85-89 90 or more0
10
20
30
40
50
60
70
80
90
100
1997
2004
2011
2013
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Response rate for different age groups by gender, in the surveys on living conditions 1997, 2004, 2011 and 2013. Per cent
67-74 years 75-79 years 80-84 years 85-89 years 90 years or older
Total: 16 years or older
1997
Men 70,4 62,9 56,9 59,1 50,0 68,6
Women 54,4 53,5 47,7 47,4 31,6 69,2
2004
Men 68,2 67,5 55,7 41,7 33,3 69,4
Women 62,4 55,3 48,7 59,6 45,5 68,7
2011
Men 63,3 58,6 58,7 40,8 33,3 55,5
Women 56,8 46,8 50,3 37,5 13,0 50,7
2013
Men 59,7 54,5 42,6 30,3 25,9 51,1
Women 60,0 53,9 48,8 37,2 22,5 53,2
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Percentage of people aged 67-89 taking part in different sports activities last 12 months, by age groups, 2013.
67-74 years
75-79 years
80-84 years
85-89 years
Total: 16 years or older
Jogging 16 8 6 1 40
Sycling 30 16 8 8 45
Swimming 20 15 11 8 26
Strength training 17 9 8 3 39
Golf 4 3 2 1 4
Cross country skiing 29 13 6 3 40
Numbers 584 210 141 66 6100
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Percentage of people aged 67-89 taking part in sports activities, by age groups. 2013.
67-74 years
75-79 years
80-84 years
85-89 years
Total: 16 years or older
Never 8 13 18 20 6
Not more than 2 times a month
10 9 12 9 11
1-2 times a week 32 26 23 25 33
3-4 times a week 24 27 17 15 29
Approximately daily 26 24 30 30 21
Respondents 584 210 141 66 6100
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Conclusion:
• Traditionally persons more than 79 years have not been included in the Norwegian social surveys, due to low response rate.
• In recent years we see that older people take more active part in sosial life.
• Data also show that they take a relatively more active part in our surveys.
• These facts lead to the conclusion that i may be time to include also persons more than 79 years in our surveys and let them be a part of our official survey statistics.