Table 1

Age-adjusted characteristics of women by area-level socioeconomic status (ASES) score in quartiles: the Tromsø Study 2015–2016

CharacteristicsASES score in quartilesP value for equality between ASES quartiles
Lowest (n=1025)Second (n=977)Third (n=943)Highest (n=945)
Age, years63.6 (10.0)62.1 (10.7)62.3 (10.2)61.2 (10.4)<0.0001
Verbal memory test*7.3 (2.0)7.6 (2.0)7.6 (2.0)7.7 (2.0)<0.0001
Digit Symbol Coding test†43.8 (12.1)45.2 (11.9)46.6 (16.0)46.6 (12.6)<0.0001
Tapping test‡54.8 (8.7)54.8 (8.6)56.2 (8.3)56.1 (8.4)<0.0001
Mini-Mental State Examination§27.8 (2.3)28.1 (2.2)28.3 (2.0)28.2 (2.0)<0.0001
Anxiety symptoms¶3.3 (2.8)3.4 (3.0)3.2 (2.8)3.2 (2.8)0.45
Depression symptoms**2.7 (2.6)2.7 (2.7)2.2 (2.4)2.5 (2.5)<0.0001
Insomnia symptoms††10.0 (10.3)10.1 (10.2)9.0 (9.4)8.8 (8.9)0.0037
Alcohol (per drinking session), %0.0001
 No alcohol11.38.45.56.2
 1–2 units67.371.375.275.5
 3–4 units19.118.417.416.3
 5 or more units2.21.91.92.0
Smoking, %0.0003
 No smoking32.136.038.139.0
 Previous smoking49.847.549.247.9
 Occasional smoking2.32.93.03.2
 Daily smoking15.913.69.89.8
Snuff use, %0.23
 No snuff user95.396.396.996.3
 Previous snuff user1.71.91.82.0
 Current snuff user3.01.81.31.7
Physical activity, %<0.0001
 Sedentary14.213.510.510.3
 Light activity69.169.565.666.1
 Moderate-to-vigorous activity16.816.923.823.6
Foods/nutrients Lowest (n=665) Second (n=675) Third (n=629) Highest (n=638)
Fruits and vegetables (g/day)570 (328)619 (314)615 (324)611 (286)0.02
Saturated fat (g/day)31 (14)31 (13)30 (13)30 (12)0.89
Sugar (g/day)28 (27)27 (29)25 (25)27 (26)0.41
  • P value for linear trend.

  • *Scores are given as the number of correct words recalled (0, 12).

  • †Scores are given as the number of correct symbols coded (0, 96).

  • ‡Scores are given as the average number of taps in 10 s.

  • §Scores are given as the number of correct memory (0, 30).

  • ¶Anxiety score (0–21).

  • **Depression score (0–21).

  • ††Insomnia score (0–42).

  • ASES, area-level socioeconomic status.