Scottish Health Survey 2015 - volume 1: main report

Findings and trends of the Scottish Health Survey 2015, providing information on the health of people living in Scotland.

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Table 6.6 Urinary sodium (Na), potassium (K) and creatinine (Cre), Na/Cre ratio, K/Cre ratio, 2003 to 2014/2015

Aged 16 and over with a valid urine sample 2003 to 2014/2015 combined
Urinary sodium, potassium, creatinine (mmol/l) 2003 2008/2009 combined 2010/2011 combined 2012/2013 combined 2014/2015 combined
  % % % % %
Men
Sodium (mmol/l)
Mean 129.3 120.9 117.6 113.8 109.2
Standard error of the mean 3.69 2.18 2.35 2.36 2.56
5th percentile 34 37 30 29 28
10th percentile 51 47 45 43 37
Median 125 117 113 108 103
90th percentile 215 197 195 190 184
95th percentile 230 219 213 210 211
Potassium (mmol/l)
Mean 67.1 67.9 62.4 58.5 59.3
Standard error of the mean 1.70 1.44 1.31 1.29 1.08
5th percentile 18 17 16 15 15
10th percentile 26 24 23 22 24
Median 63 64 59 57 56
90th percentile 115 119 105 101 101
95th percentile 129 138 119 101 101
Creatinine (mmol/l)
Mean 14.3 12.7 11.8 11.5 11.4
Standard error of the mean 0.37 0.27 0.27 0.32 0.26
5th percentile 3.8 2.9 2.6 2.5 2.3
10th percentile 5.6 4.3 3.7 3.7 3.3
Median 13.9 12.2 11.0 10.6 10.8
90th percentile 23.5 20.9 20.1 20.2 19.4
95th percentile 27.5 23.7 24.8 24.3 22.4
Na/Cre ratio
Mean 10.9 11.6 12.0 12.3 11.9
Standard error of the mean 0.42 0.27 0.26 0.32 0.28
5th percentile 3.5 3.5 3.6 3.3 3.2
10th percentile 4.7 4.7 4.7 5.0 4.6
Median 9.5 10.3 10.9 11.1 10.4
90th percentile 17.7 19.2 20.4 20.5 20.6
95th percentile 21.8 23.2 24.3 25.4 24.5
K/Cre ratio
Mean 5.2 5.9 5.9 5.9 6.1
Standard error of the mean 0.13 0.10 0.11 0.13 0.14
5th percentile 2.0 2.3 2.4 2.3 2.5
10th percentile 2.6 3.0 2.8 2.9 3.0
Median 4.7 5.5 5.6 5.5 5.6
90th percentile 8.1 9.8 9.2 9.3 9.6
95th percentile 9.6 11.2 10.6 10.5 11.5
Women
Sodium (mmol/l)
Mean 104.3 97.9 91.5 95.1 92.5
Standard error of the mean 2.88 1.85 2.16 2.10 2.10
5th percentile 26 23 22 23 22
10th percentile 36 32 28 31 30
Median 97 87 81 85 84
90th percentile 189 186 176 176 174
95th percentile 214 212 197 202 194
Potassium (mmol/l)
Mean 58.3 60.1 55.6 53.1 54.6
Standard error of the mean 1.57 1.16 1.25 1.00 0.98
5th percentile 14 14 12 14 15
10th percentile 19 19 17 19 20
Median 52 55 48 49 51
90th percentile 108 111 105 97 101
95th percentile 132 129 123 101 101
Creatinine (mmol/l)
Mean 10.3 9.2 8.5 8.7 8.6
Standard error of the mean 0.30 0.18 0.22 0.22 0.20
5th percentile 2.2 1.8 1.6 1.7 1.8
10th percentile 2.8 2.8 2.1 2.4 2.4
Median 9.3 8.3 7.4 7.5 7.6
90th percentile 19.1 16.9 16.4 17.0 16.2
95th percentile 22.1 19.5 19.2 19.6 19.7
Na/Cre ratio
Mean 13.3 13.3 14.6 13.9 14.2
Standard error of the mean 0.46 0.30 0.36 0.35 0.37
5th percentile 3.6 3.5 3.3 3.7 3.5
10th percentile 4.8 4.9 5.0 5.2 4.6
Median 11.3 11.4 12.4 12.1 12.1
90th percentile 22.2 23.4 26.8 24.5 25.0
95th percentile 27.3 27.7 32.8 28.0 29.7
K/Cre ratio
Mean 6.5 7.4 7.9 7.4 7.7
Standard error of the mean 0.14 0.12 0.14 0.15 0.13
5th percentile 2.6 3.0 3.0 3.0 3.1
10th percentile 3.1 3.8 3.7 3.6 3.9
Median 6.0 6.6 7.1 6.6 6.9
90th percentile 10.5 11.8 13.0 11.9 12.3
95th percentile 12.5 14.5 15.9 14.2 14.4
All adults
Sodium (mmol/l)
Mean 116.1 109.0 104.3 104.1 100.5
Standard error of the mean 2.76 1.55 1.72 1.76 1.82
5th percentile 29 27 24 25 24
10th percentile 40 38 33 35 34
Median 110 99 98 96 93
90th percentile 202 191 187 185 180
95th percentile 222 217 208 206 204
Potassium (mmol/l)
Mean 62.5 63.9 58.9 55.7 56.9
Standard error of the mean 1.13 1.00 0.93 0.88 0.80
5th percentile 16 15 13 15 15
10th percentile 21 21 19 21 21
Median 58 59 54 53 54
90th percentile 110 113 105 100 101
95th percentile 131 133 121 101 101
Creatinine (mmol/l)
Mean 12.2 10.9 10.1 10.1 9.9
Standard error of the mean 0.25 0.17 0.19 0.21 0.18
5th percentile 2.4 2.2 1.9 2.1 2.0
10th percentile 3.6 3.2 2.5 2.8 2.6
Median 11.4 10.1 9.2 9.0 9.0
90th percentile 22.0 19.3 18.6 18.5 17.9
95th percentile 25.0 22.1 22.3 22.0 20.9
Na/Cre ratio
Mean 12.2 12.5 13.3 13.1 13.1
Standard error of the mean 0.32 0.21 0.23 0.25 0.25
5th percentile 3.5 3.5 3.5 3.5 3.3
10th percentile 4.7 4.8 4.8 5.0 4.6
Median 10.4 10.9 11.5 11.6 11.2
90th percentile 20.2 21.4 23.7 22.7 22.9
95th percentile 25.4 26.4 29.5 26.8 27.5
K/Cre ratio
Mean 5.9 6.7 6.9 6.7 6.9
Standard error of the mean 0.11 0.09 0.10 0.11 0.11
5th percentile 2.3 2.6 2.6 2.7 2.7
10th percentile 2.9 3.3 3.2 3.2 3.3
Median 5.3 6.1 6.3 5.9 6.3
90th percentile 9.6 10.9 11.3 10.6 11.1
95th percentile 11.3 12.7 13.6 12.9 13.6
Bases (weighted):
Men 535 998 885 896 894
Women 594 1075 915 974 976
All adults 1129 2074 1800 1870 1869
Bases (unweighted):
Men 508 921 793 846 821
Women 640 1165 1004 1026 1050
All adults 1148 2086 1797 1872 1871

Contact

Email: Julie Landsberg, julie.landsberg@gov.scot

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