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. Author manuscript; available in PMC: 2011 Jul 1.
Published in final edited form as: Microcirculation. 2010 Jul;17(5):381–393. doi: 10.1111/j.1549-8719.2010.00033.x

Table 1.

a: Participant characteristics by quartiles of leisure and work-related physical activity measures.
LEISURE INDEX WORK INDEX

Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4
(1.25–2.00) (2.10–2.25) (2.26–2.75) (2.76–5.00) (0.88–1.00) (1.01–1.75) (1.76–2.63) (2.64–5.00)
n = 4537 n = 2157 n = 3607 n = 2191 n = 5492 n = 926 n = 3019 n = 3025
Characteristic n (%) n (%) n (%) n (%) n (%) n (%) n (%) n (%)
Male 1962 (43) 958 (44) 1598 (44) 957 (44) 3370 (61) 471 (51) 1454 (48) 1501 (50)**
History of hypertension 2033 (45) 835 (39) 1350 (37) 733 (33)** 2493 (45) 363 (39) 1000 (33) 1090 (36)**
Prevalent coronary heart disease 189 (4) 82 (4) 139 (4) 86 (4) 293 (5) 40 (4) 79 (3) 76 (3)**
Smoking, current 971 (21) 369 (17) 526 (15) 281 (13)** 922 (17) 137 (15) 440 (15) 638 (21)
Education, post secondary 3264 (72) 1778 (82) 3002 (83) 1833 (84)** 4086 (74) 717 (77) 2720 (90) 2200 (73)**
History of Alcohol, current drinker 2150 (47) 1156 (54) 1972 (55) 1208 (55)** 2586 (47) 474 (51) 1831 (61) 1466 (49)*
Diabetes 806 (18) 311 (14) 481 (13) 234 (11)** 941 (17) 145 (16) 401 (13) 373 (12)**
African American 1559 (34) 336 (16) 507 (14) 274 (13)** 1059 (19) 205 (22) 634 (21) 818 (27)**
Non-diabetic retinopathy 199 (4) 67 (3) 146 (4) 73 (3)* 212 (4) 36 (4) 105 (3) 133 (4)
Diabetic retinopathy 207 (5) 61 (3) 86 (2) 49 (2) 238 (4) 28 (3) 63 (2) 76 (3)*
Arterio-venous nicking 603 (13) 261 (12) 445 (12) 291 (13) 712 (13) 101 (11) 377 (13) 377 (12)
Focal arteriolar narrowing 597 (13) 294 (14) 457 (13) 310 (14) 768 (14) 112 (12) 374 (12) 372 (12)
mean ± SD mean ± SD mean ± SD mean ± SD mean ± SD mean ± SD mean ± SD mean ± SD
Age, years 59.97±5.68 59.98±5.81 60.05±5.68 59.91±5.71 62.72±5.26 59.94±5.63 57.46±4.94 57.68±5.94**
SBP, mmHg 126.14±19.81 123.89±18.68 123.43±18.02 122.53±18.13** 126.52±19.74 123.81±19.23 121.50±17.36 123.84±18.59**
DBP, mmHg 72.40±10.74 71.37±10.34 71.30±10.25 71.10±9.93** 70.53±10.18 71.82±10.32 72.78±10.34 72.64±10.48
BMI, m/kg2 29.31±5.98 28.50±5.52 27.08±5.16 27.43±4.85** 28.39±5.64 28.44±5.63 28.47±5.42 28.65±5.52
Cholesterol, mmol/L 5.38±0.99 5.35±0.96 5.36±0.97 5.38±0.96 5.46±1 5.31±0.94 5.29±0.94 5.3±0.96**
HDL, mg/dL 1.33±0.46 1.33±0.46 1.34±0.46 1.41±0.5** 1.36±0.48 1.34±0.46 1.35±0.48 1.34±0.45*
LDL, mg/dL 3.31±0.9 3.29±0.89 3.29±0.89 3.25±0.89* 3.33±0.91 3.26±0.87 3.24±0.88 3.27±0.89*
Trigylcerides, mg/dL 1.61±1 1.61±0.97 1.62±0.99 1.6±1.22 1.69±1.06 1.56±0.88 1.57±1.06 1.52±0.98
CRAE, µm 163.02±16.64 162.30±16.85 161.56±16.70 162.46±16.58* 161.94±16.72 161.44±17.39 161.76±16.58 163.67±16.62**
CRVE, µm 195.04±17.10 192.73±16.50 191.86±16.34 191.32±16.33** 192.10±17.05 193.34±16.67 192.82±16.23 194.69±16.67**
b: Participant characteristics by quartiles of sport-related physical activity measure.
SPORT INDEX

Q1 Q2 Q3 Q4
(1.00–2.00) (2.01–2.50) (2.51–3.00) (3.01–5.00)
n = 4563 n = 2472 n = 4661 n = 753
Characteristic n (%) n (%) n (%) n (%)
Male 1702 (37) 1024 (41) 2261 (49) 479(64)**
History of hypertension 1986 (44) 1004 (41) 1708 (37) 239 (32)**
Prevalent coronary heart disease 183 (4) 88 (4) 199 (5) 24 (3)*
Smoking, current 953 (21) 441 (18) 663 (14) 79 (10)**
Education, post secondary 3335 (73) 1932 (78) 3899 (84) 680 (90)**
Alcohol, current drinker 2053 (45) 1230 (50) 2659 (57) 518 (69)**
Diabetes 791 (17) 378 (15) 584 (13) 67 (9)**
African American 1262 (28) 540 (22) 781 (17) 84 (11)**
Non-diabetic retinopathy 186 (4) 116 (5) 157 (3) 21 (2)*
Diabetic retinopathy 187 (4) 84 (3) 114 (2) 14 (2)
Arterio-venous nicking 613 (13) 349 (14) 541 (14) 91 (12)**
Focal arteriolar narrowing 588 (13) 350 (14) 612 (13) 103 (14)
mean ± SD mean ± SD mean ± SD mean ± SD
Age, years 59.41±5.60 60.17±5.66 60.43±5.75 59.91±5.72**
SBP, mmHg 125.48±19.50 124.16±18.48 123.79±18.53 121.45±17.82**
DBP, mmHg 72.06±10.72 71.41±10.49 71.50±10.21 71.64±9.92*
BMI, m/kg2 29.51±6.24 28.51±5.36 27.74±4.87 26.95±4.15**
Cholesterol, mg/dL 5.38±0.99 5.38±0.99 5.36±0.95 5.3±0.94
HDL, mg/dL 1.34±0.46 1.35±0.46 1.35±0.48 1.39±0.48**
LDL, mg/dL 3.3±0.9 3.3±0.9 3.29±0.87 3.24±0.85
Trigylcerides, mg/dL 1.63±1 1.63±0.96 1.6±1.09 1.49±1.07*
CRAE, µm 162.59±16.74 162.18±16.78 161.99±16.69 162.75±16.38
CRVE, µm 194.51±17.20 193.31±15.57 191.76±16.30 191.61±16.07**
*

p<0.05,

**

p<0.001 from test for heterogeneity across quartiles adjusted for age and gender except age and gender respectively.

SBP, Systolic Blood Pressure; DBP, Diastolic Blood Pressure; BMI, Body Mass Index; HDL, High Density Lipoprotein; LDL, Low density Lipoprotein; CRAE, Central retinal Arteriolar Equivalent; CRVE, Central Retinal Venular Equivalent.