Publication - Statistics

Scottish Health Survey: design and content

This section provides a summary of the Scottish Health Survey design, details of the achieved sample size for previous surveys.

Contents
Scottish Health Survey: design and content
Interview length

Interview length

The time take to complete the interview differs according to the number of people in the household and on the type of interview (core, child boost or health board boost). The tables  below show the average time taken to complete an interview for each household and interview type between 2012 and 2014.

  2012 2012 2013 2013 2014 2014
Addresses Interview Length Addresses Interview Length Addresses Interview Length
CORE SAMPLE            
1 adult 1316 49 1302 49 1201 50
1 adult, 1 child 127 60 162 60 143 58
2 adults 669 77 649 74 636 75
1 adult, 2 children 143 71 139 70 118 70
2 adults, 1 child 119 91 109 85 113 80
3 adults 66 94 59 91 58 87
2 adults, 2 children 112 91 142 93 129 97
3 adults, 1 child 29 103 21 107 0 -
4 adults 10 106 12 108 0 -
TOTAL 2591 61 2595 61 2398 63
CHILD BOOST            
1 child 306 35 288 34 253 38
2 children 315 48 320 49 302 50
TOTAL 621 41 608 41 555 44
HEALTH BOARD BOOST            
1 adult 330 48 404 45 317 43
2 adults 237 71 233 67 274 62
3 adults 22 87 21 85 22 75
4 adults 4 101 4 92 0 -
TOTAL 593 57 662 54 613 53

Note: Average interview lengths are based on median lengths in minutes.