Skip to main content

Advertisement

Table 1 Characteristics of participants from the MRC National Survey of Health and Development with data from accelerometry and cognitive tests at age 69, 2015 (n = 558)

From: Day-to-day physical activity producing low gravitational impacts is associated with faster visual processing speed at age 69: cross-sectional study

  Men (n = 289) Women (n = 269)
Cognitive test scores: mean (SD)
 Letter search task 253.2 (72.5) 274.2 (75.0)
 Word learning test 22.0 (5.8) 24.1 (6.0)
 Addenbrooke’s Cognitive examination-III 92.1 (5.2) 92.6 (5.4)
Vertical acceleration peaks: Median count (25th, 75th)
 Low magnitude impacts (0.5 ≤ g < 1.0) 15,909 (7800, 25,888) 13,513 (7228, 23,301)
 Medium magnitude impacts (1.0 ≤ g < 1.5) 968 (305, 2691) 667 (243, 1753)
 Higher magnitude impacts (≥ 1.5 g) 101 (42, 315) 70 (29, 192)
Adult socioeconomic position: N (%)
 professional and intermediate 170 (59.2) 131 (48.7)
 skilled non-manual 30 (10.5) 94 (34.9)
 skilled manual 69 (24.0) 13 (4.8)
 semi-skilled and unskilled manual 18 (6.3) 31 (11.5)
BMI (kg/m2): mean (SD) 27.5 (3.9) 27.2 (4.5)
Depression score from the GHQ-28 score: mean (SD) 0.58 (1.8) 0.79 (1.8)
Childhood cognitive ability: mean (SD) 0.06 (1.02) −0.06 (0.98)
  1. SD standard deviation, PA physical activity, BMI body mass index, GHQ general health questionnaire. Childhood cognitive ability score standardised to mean = 0 and SD = 1