Metadata Anaylsis Tools

Grip Strength Test [DYNA]


Plot Education Aggregate
Description of data
Number of studies30
Years of publication1974-2017
Number of data points177
Total number of participants23,594
nμσRange
Age23,59438.8222.463 - 99
Education5,2773.995.050 - 20
Preferred
Non Preferred
(Orange) Quadratic Regression Line: y = ax2 + bx + c y = -0.017x2 + 1.523x + 9.585
(Green) Least Squares Regression Line: y = mx + b : y = 0.058x + 32.502
(Blue) Oxford Regression Line: [Male] y = 0.000x2 + -0.240x + 59.504
(Black) Oxford Regression Line: [Female] y = -0.002x2 + 0.088x + 32.093
Preferred
EnglishNot indicated by studyEnglish AustralianEnglish (inferred by country)Spanish (inferred by country)Portuguese (inferred by country)Malay (inferred by country)Italian (inferred by country)German (inferred by country)Belgian (inferred by country)Taiwanese inferred by countrySwiss (inferred by country)
Hide all from plot
Aggregate Age 62.4 56.2 50.0 43.8 37.6 31.4 25.2 19.0 12.8 6.6 3 7 11 16 20 24 29 33 38 42 46 51 55 59 64 68 73 77 81 86

Plotting Data

point IDAge
(aggregate)
Trial ValueLanguagexy
119034 ± 1.9English50398.077
219133.6 ± 1.4English50400.769
319245.7 ± 2.2English58.686386.635
419344.9 ± 1.8English58.686392.019
519557 ± 2.2English67.371377.885
619457.4 ± 2.3English67.371375.192
719669.9 ± 2.9English76.057358.365
819769 ± 3English76.057364.423
9198711.2 ± 3.4English84.743349.615
10199711.4 ± 3.8English84.743348.269
11201812.7 ± 3.4English93.429339.519
12200813.3 ± 3.7English93.429335.481
13202916.2 ± 4.2English102.114315.962
14203914.6 ± 3.3English102.114326.731
152041017.8 ± 4.3English110.8305.192
162051017.5 ± 4.4English110.8307.212
172071120.3 ± 4.7English119.486288.365
182061120.9 ± 4.8English119.486284.327
192091223.5 ± 4.7English128.171266.827
202081224.2 ± 6.5English128.171262.115
212111325 ± 5.3English136.857256.731
222101329.5 ± 7.8English136.857226.442
232131426.9 ± 6English145.543243.942
242121434.2 ± 7.9English145.543194.808
252141537.7 ± 8.9English154.229171.25
2671533.1 ± 7.8English154.229202.212
272151528.1 ± 5.3English154.229235.865
28141628.1 ± 5English162.914235.865
2991638 ± 8.4English162.914169.231
302161641 ± 10English162.914149.038
312171628.2 ± 5.4English162.914235.192
322191728.4 ± 5.8English171.6233.846
332181744.5 ± 10English171.6125.481
345017.530.2 ± 5.56Not indicated by study175.943221.731
354517.543.58 ± 10.25Not indicated by study175.943131.673
3616318.532 ± 4.8Swiss (inferred by country)184.629209.615
3714818.551.2 ± 6.6Swiss (inferred by country)184.62980.385
3810520.554 ± 7.4English (inferred by country)20261.538
391020.549.7 ± 9.7English20290.481
401520.528.8 ± 7.8English202231.154
411642233.4 ± 5.4Swiss (inferred by country)215.029200.192
421492253.9 ± 8.7Swiss (inferred by country)215.02962.212
431272244.77 ± 6.68Italian (inferred by country)215.029123.663
441262227.7 ± 4.35Italian (inferred by country)215.029238.558
45512329.79 ± 6.92Not indicated by study223.714224.49
46462351.49 ± 11.36Not indicated by study223.71478.433
4722458.1 ± 7.3English232.433.942
481382427.28 ± 5.83English (inferred by country)232.4241.385
496624.530 ± 7English (inferred by country)236.743223.077
506324.547 ± 9.5English (inferred by country)236.743108.654
51124.556.84 ± 7.66English236.74342.423
52324.557.5 ± 6.3English236.74337.981
533424.553.8 ± 7.8Not indicated by study236.74362.885
543924.533.3 ± 4.7Not indicated by study236.743200.865
551802659.4 ± 8.4German (inferred by country)249.77125.192
561792633.9 ± 4.3German (inferred by country)249.771196.827
5714526.542.4 ± 6.2English (inferred by country)254.114139.615
5814626.525.9 ± 4.2English (inferred by country)254.114250.673
5914726.533.6 ± 9.9English (inferred by country)254.114198.846
6062734 ± 5.96English258.457196.154
611652734.3 ± 5.7Swiss (inferred by country)258.457194.135
621502753 ± 7.5Swiss (inferred by country)258.45768.269
634927.549.49 ± 10.53Not indicated by study262.891.894
645427.531.09 ± 7.33Not indicated by study262.8215.74
65162834.4 ± 9.2English267.143193.462
66472851.05 ± 8.55Not indicated by study267.14381.394
67112851.8 ± 8.1English267.14376.346
68522833.88 ± 7.65Not indicated by study267.143196.962
6952854.13 ± 9.95English267.14360.663
701929.543.1 ± 12.1English280.171134.904
712229.550.8 ± 11.5English280.17183.077
722529.532.7 ± 8.7English280.171204.904
732829.549.9 ± 8.4English280.17189.135
743129.531 ± 5.4English280.171216.346
751663233.8 ± 5.9Swiss (inferred by country)301.886197.5
761513255 ± 7.1Swiss (inferred by country)301.88654.808
7717834.552.7 ± 7.9Belgian (inferred by country)323.670.288
783534.555.4 ± 7.1Not indicated by study323.652.115
7918134.538.2 ± 3.1German (inferred by country)323.6167.885
806834.531 ± 5.8English (inferred by country)323.6216.346
816734.547 ± 9.7English (inferred by country)323.6108.654
826234.543.34 ± 13.33English323.6133.288
834034.533.7 ± 6.2Not indicated by study323.6198.173
8418234.553.8 ± 8.9German (inferred by country)323.662.885
851373550.1 ± 6.4Belgian (inferred by country)327.94387.788
861363544.7 ± 9Belgian (inferred by country)327.943124.135
875335.532.98 ± 10.1Not indicated by study332.286203.019
884835.552.28 ± 9.57Not indicated by study332.28673.115
891236.552.9 ± 8.3English340.97168.942
901736.527.7 ± 3.2English340.971238.558
911673735.8 ± 6.7Swiss (inferred by country)345.314184.038
921523755.9 ± 7.9Swiss (inferred by country)345.31448.75
936040.543.92 ± 10.51English375.714129.385
945940.526.37 ± 7.64English375.714247.51
955840.527.1 ± 8.1English375.714242.596
9644148.1 ± 13.4English380.057101.25
9711641.529.8 ± 8.2Malay (inferred by country)384.4224.423
9811741.517.6 ± 5.4Malay (inferred by country)384.4306.538
991684234 ± 6Swiss (inferred by country)388.743196.154
1001534254.2 ± 8.1Swiss (inferred by country)388.74360.192
1014144.530.7 ± 5.5Not indicated by study410.457218.365
10218444.548 ± 6.2German (inferred by country)410.457101.923
1033644.550.2 ± 5.3Not indicated by study410.45787.115
1047044.529 ± 9.8English (inferred by country)410.457229.808
10518344.536.3 ± 4.3German (inferred by country)410.457180.673
106574545.4 ± 10.6English414.8119.423
10713345.543.7 ± 12.4German (inferred by country)419.143130.865
10813445.555 ± 10.2German (inferred by country)419.14354.808
10913545.535.4 ± 5.2German (inferred by country)419.143186.731
1101544751.8 ± 8.3Swiss (inferred by country)432.17176.346
1111694734.1 ± 5.3Swiss (inferred by country)432.171195.481
1122949.548.2 ± 7.3English453.886100.577
1132049.534 ± 9.7English453.886196.154
1142349.539.8 ± 6English453.886157.115
1152649.527.7 ± 5.9English453.886238.558
1163249.529.8 ± 5.8English453.886224.423
1171555250.8 ± 9.1Swiss (inferred by country)475.683.077
1181705233.7 ± 4.5Swiss (inferred by country)475.6198.173
1191352.544.5 ± 10.9English479.943125.481
1201852.528 ± 6.2English479.943236.538
12118554.534.5 ± 7.6German (inferred by country)497.314192.788
1224254.528.8 ± 3.6Not indicated by study497.314231.154
12318654.562.4 ± 13.4German (inferred by country)497.3145
1247154.545 ± 8.4English (inferred by country)497.314122.115
1257254.528 ± 6.4English (inferred by country)497.314236.538
12610254.537.59 ± 8.6English (inferred by country)497.314171.99
1273754.544.3 ± 5.4Not indicated by study497.314126.827
12810154.540.83 ± 12.99English (inferred by country)497.314150.183
1291565753.6 ± 8.6Swiss (inferred by country)519.02964.231
1301715731.9 ± 4.9Swiss (inferred by country)519.029210.288
13186045.1 ± 11.4English545.086121.442
1321726228.7 ± 5.5Swiss (inferred by country)562.457231.827
1331576247.9 ± 6.4Swiss (inferred by country)562.457102.596
1341886445 ± 4.4German (inferred by country)579.829122.115
1351876425.5 ± 4.9German (inferred by country)579.829253.365
1362464.538.7 ± 5.9English584.171164.519
1372764.525.6 ± 5.3English584.171252.692
1387364.540 ± 8.3English (inferred by country)584.171155.769
1397464.524 ± 6.8English (inferred by country)584.171263.462
1402164.532 ± 10English584.171209.615
14113964.535 ± 7.6Taiwanese inferred by country584.171189.423
1423364.525 ± 4.9English584.171256.731
14314064.521.1 ± 4.4Taiwanese inferred by country584.171282.981
1443064.544.5 ± 5.6English584.171125.481
1451586743 ± 6.8Swiss (inferred by country)605.886135.577
1461096731.8 ± 10.3Portuguese (inferred by country)605.886210.962
1471736729.5 ± 3.6Swiss (inferred by country)605.886226.442
1483868.545.5 ± 5.4Not indicated by study618.914118.75
1494368.528.3 ± 6.3Not indicated by study618.914234.519
150567026.9 ± 4English Australian631.943243.942
151557041.7 ± 6.2English Australian631.943144.327
1521597241.7 ± 8.9Swiss (inferred by country)649.314144.327
1531747226.4 ± 6.8Swiss (inferred by country)649.314247.308
15411074.528.3 ± 8.3Portuguese (inferred by country)671.029234.519
15514274.520.5 ± 5.6Taiwanese inferred by country671.029287.019
15614174.532.5 ± 5.8Taiwanese inferred by country671.029206.25
1571757725 ± 4.5Swiss (inferred by country)692.743256.731
1581607736.8 ± 8.9Swiss (inferred by country)692.743177.308
159998029.3 ± 7.4Spanish (inferred by country)718.8227.788
1601898021.6 ± 8.3Spanish (inferred by country)718.8279.615
1611008017.2 ± 5Spanish (inferred by country)718.8309.231
1621618230.7 ± 9.1Swiss (inferred by country)736.171218.365
1631768219.2 ± 5.2Swiss (inferred by country)736.171295.769
16414384.526.5 ± 5.5Taiwanese inferred by country757.886246.635
16514484.517.8 ± 5.2Taiwanese inferred by country757.886305.192
16611186.523.8 ± 7.5Portuguese (inferred by country)775.257264.808
16716290.522.4 ± 6.2Swiss (inferred by country)810274.231
16817790.516.9 ± 4.8Swiss (inferred by country)810311.25

Quadratic Regression Line Details

    Parameter equations:
  1. aΣx4 + bΣx3 + c Σx2 = Σx2y
    1372141174.125a + 20649985b + 340777.5c = 11542026.6325
  2. aΣx3 + bΣx2 + c Σx = Σxy
    20649985a + 340777.5b + 6559c = 233103.505
  3. aΣx2 + bΣx + nc = Σy
    340777.5a + 6559b + 168c = 5843.8
Σx = 6559
Σy = 5843.8
Σx2 = 340777.5
Σx3 = 20649985
Σx4 = 1372141174.125
Σxy = 233103.505
Σx2y = 11542026.6325
Σxx: 84703.208333333 = 340777.5 - ( (6559 * 6559) / 168);
Σxy: 4951.8133333333 = 233103.505 - ( (6559 * 5843.8) / 168);
Σxx2 : 7345463.4375= 20649985 - ( (340777.5*6559) / 168);
Σx2y: -311756.43= 11542026.6325- ( (340777.5*5843.8) / 168);
Σx2x2: 680895313.96875= 1372141174.125 - ( (340777.5*340777.5)/168);
a = ((Σx2y · Σxx) - (Σxx · Σxx2))
((Σxx · Σx2x2) - (Σ(xx2)2))
a = ((-311756.43 · 84703.208333333) - (84703.208333333 · 7345463.4375))
((84703.208333333 · 680895313.96875) - (7345463.4375)2)
a = -0.016884620244218
b = ((xy · Σx2x2) - (Σx2y · Σxx2))
((Σxx · Σx2x2) - (Σxx2 · Σxx2))
b = ((4951.8133333333 · 680895313.96875) - (-311756.43 · 7345463.4375))
((84703.208333333 · 680895313.96875) - (7345463.4375 · 7345463.4375))
b = 1.5226952618577
c = ((Σy/n) - (b · Σx/n)) - (a · (Σx2/n))
c = (5843.8/168) - (1.5226952618577 * (6559/168)) - (-0.016884620244218 * (340777.5/168));
c = 9.5853598377952
y = ax2 + bx + c
y = -0.016884620244218x2 + 1.5226952618577x + 9.5853598377952















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