Metadata Anaylsis Tools

Grip Strength Test [DYNA]


Plot Education Aggregate
Description of data
Number of studies32
Years of publication1974-2019
Number of data points178
Total number of participants24,022
nμσRange
Age24,02238.9422.423 - 99
Education5,8724.475.110 - 20
Preferred
Non Preferred
Right
Left
(Orange) Quadratic Regression Line: y = ax2 + bx + c y = -0.017x2 + 1.526x + 9.721
(Green) Least Squares Regression Line: y = mx + b : y = 0.054x + 32.830
(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
EnglishEnglish (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)Not indicated by studyEnglish Australian
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
319344.9 ± 1.8English58.686392.019
419245.7 ± 2.2English58.686386.635
519557 ± 2.2English67.371377.885
619457.4 ± 2.3English67.371375.192
719769 ± 3English76.057364.423
819669.9 ± 2.9English76.057358.365
9198711.2 ± 3.4English84.743349.615
10199711.4 ± 3.8English84.743348.269
11200813.3 ± 3.7English93.429335.481
12201812.7 ± 3.4English93.429339.519
13202916.2 ± 4.2English102.114315.962
14203914.6 ± 3.3English102.114326.731
152051017.5 ± 4.4English110.8307.212
162041017.8 ± 4.3English110.8305.192
172071120.3 ± 4.7English119.486288.365
182061120.9 ± 4.8English119.486284.327
192081224.2 ± 6.5English128.171262.115
202091223.5 ± 4.7English128.171266.827
212101329.5 ± 7.8English136.857226.442
222111325 ± 5.3English136.857256.731
232121434.2 ± 7.9English145.543194.808
242131426.9 ± 6English145.543243.942
2571533.1 ± 7.8English154.229202.212
262141537.7 ± 8.9English154.229171.25
272151528.1 ± 5.3English154.229235.865
283451628.1 ± 5English162.914235.865
293401638 ± 8.4English162.914169.231
302171628.2 ± 5.4English162.914235.192
312161641 ± 10English162.914149.038
322191728.4 ± 5.8English171.6233.846
332181744.5 ± 10English171.6125.481
3437517.543.58 ± 10.25Not indicated by study175.943131.673
3538017.530.2 ± 5.56Not indicated by study175.943221.731
3614818.551.2 ± 6.6Swiss (inferred by country)184.62980.385
3716318.532 ± 4.8Swiss (inferred by country)184.629209.615
3834620.528.8 ± 7.8English202231.154
3934120.549.7 ± 9.7English20290.481
4010520.554 ± 7.4English (inferred by country)20261.538
411642233.4 ± 5.4Swiss (inferred by country)215.029200.192
421272244.77 ± 6.68Italian (inferred by country)215.029123.663
431262227.7 ± 4.35Italian (inferred by country)215.029238.558
441492253.9 ± 8.7Swiss (inferred by country)215.02962.212
453762351.49 ± 11.36Not indicated by study223.71478.433
463812329.79 ± 6.92Not indicated by study223.714224.49
471382427.28 ± 5.83English (inferred by country)232.4241.385
483362458.1 ± 7.3English232.433.942
4933724.557.5 ± 6.3English236.74337.981
5027724.555.16 ± 8.48English236.74353.731
51124.556.84 ± 7.66English236.74342.423
5236524.553.8 ± 7.8Not indicated by study236.74362.885
536324.547 ± 9.5English (inferred by country)236.743108.654
546624.530 ± 7English (inferred by country)236.743223.077
5537024.533.3 ± 4.7Not indicated by study236.743200.865
561802659.4 ± 8.4German (inferred by country)249.77125.192
571792633.9 ± 4.3German (inferred by country)249.771196.827
5814726.533.6 ± 9.9English (inferred by country)254.114198.846
5914626.525.9 ± 4.2English (inferred by country)254.114250.673
6014526.542.4 ± 6.2English (inferred by country)254.114139.615
611652734.3 ± 5.7Swiss (inferred by country)258.457194.135
623392734 ± 5.96English258.457196.154
631502753 ± 7.5Swiss (inferred by country)258.45768.269
6438427.531.09 ± 7.33Not indicated by study262.8215.74
6537927.549.49 ± 10.53Not indicated by study262.891.894
663772851.05 ± 8.55Not indicated by study267.14381.394
673472834.4 ± 9.2English267.143193.462
683382854.13 ± 9.95English267.14360.663
693422851.8 ± 8.1English267.14376.346
703822833.88 ± 7.65Not indicated by study267.143196.962
7135029.543.1 ± 12.1English280.171134.904
7235329.550.8 ± 11.5English280.17183.077
7335629.532.7 ± 8.7English280.171204.904
7436229.531 ± 5.4English280.171216.346
7535929.549.9 ± 8.4English280.17189.135
761513255 ± 7.1Swiss (inferred by country)301.88654.808
771663233.8 ± 5.9Swiss (inferred by country)301.886197.5
786234.543.34 ± 13.33English323.6133.288
796734.547 ± 9.7English (inferred by country)323.6108.654
806834.531 ± 5.8English (inferred by country)323.6216.346
8118134.538.2 ± 3.1German (inferred by country)323.6167.885
8237134.533.7 ± 6.2Not indicated by study323.6198.173
8318234.553.8 ± 8.9German (inferred by country)323.662.885
8433534.542.41 ± 13.44English323.6139.548
8517834.552.7 ± 7.9Belgian (inferred by country)323.670.288
8636634.555.4 ± 7.1Not indicated by study323.652.115
871373550.1 ± 6.4Belgian (inferred by country)327.94387.788
881363544.7 ± 9Belgian (inferred by country)327.943124.135
8937835.552.28 ± 9.57Not indicated by study332.28673.115
9038335.532.98 ± 10.1Not indicated by study332.286203.019
9134336.552.9 ± 8.3English340.97168.942
9234836.527.7 ± 3.2English340.971238.558
931523755.9 ± 7.9Swiss (inferred by country)345.31448.75
941673735.8 ± 6.7Swiss (inferred by country)345.314184.038
9538840.527.1 ± 8.1English375.714242.596
9638940.526.37 ± 7.64English375.714247.51
9739040.543.92 ± 10.51English375.714129.385
9844148.1 ± 13.4English380.057101.25
9911741.517.6 ± 5.4Malay (inferred by country)384.4306.538
10011641.529.8 ± 8.2Malay (inferred by country)384.4224.423
1011684234 ± 6Swiss (inferred by country)388.743196.154
1021534254.2 ± 8.1Swiss (inferred by country)388.74360.192
10318444.548 ± 6.2German (inferred by country)410.457101.923
10418344.536.3 ± 4.3German (inferred by country)410.457180.673
10537244.530.7 ± 5.5Not indicated by study410.457218.365
1067044.529 ± 9.8English (inferred by country)410.457229.808
10736744.550.2 ± 5.3Not indicated by study410.45787.115
1083874545.4 ± 10.6English414.8119.423
10913545.535.4 ± 5.2German (inferred by country)419.143186.731
11013445.555 ± 10.2German (inferred by country)419.14354.808
11113345.543.7 ± 12.4German (inferred by country)419.143130.865
1121544751.8 ± 8.3Swiss (inferred by country)432.17176.346
1131694734.1 ± 5.3Swiss (inferred by country)432.171195.481
11436349.529.8 ± 5.8English453.886224.423
11535749.527.7 ± 5.9English453.886238.558
11635449.539.8 ± 6English453.886157.115
11735149.534 ± 9.7English453.886196.154
11836049.548.2 ± 7.3English453.886100.577
1191705233.7 ± 4.5Swiss (inferred by country)475.6198.173
1201555250.8 ± 9.1Swiss (inferred by country)475.683.077
12134952.528 ± 6.2English479.943236.538
12234452.544.5 ± 10.9English479.943125.481
12318654.562.4 ± 13.4German (inferred by country)497.3145
12437354.528.8 ± 3.6Not indicated by study497.314231.154
12510254.537.59 ± 8.6English (inferred by country)497.314171.99
12636854.544.3 ± 5.4Not indicated by study497.314126.827
12710154.540.83 ± 12.99English (inferred by country)497.314150.183
12818554.534.5 ± 7.6German (inferred by country)497.314192.788
1297154.545 ± 8.4English (inferred by country)497.314122.115
1307254.528 ± 6.4English (inferred by country)497.314236.538
1311715731.9 ± 4.9Swiss (inferred by country)519.029210.288
1321565753.6 ± 8.6Swiss (inferred by country)519.02964.231
13386045.1 ± 11.4English545.086121.442
1341726228.7 ± 5.5Swiss (inferred by country)562.457231.827
1351576247.9 ± 6.4Swiss (inferred by country)562.457102.596
1361886445 ± 4.4German (inferred by country)579.829122.115
1371876425.5 ± 4.9German (inferred by country)579.829253.365
1387364.540 ± 8.3English (inferred by country)584.171155.769
13936464.525 ± 4.9English584.171256.731
1407464.524 ± 6.8English (inferred by country)584.171263.462
14136164.544.5 ± 5.6English584.171125.481
14235264.532 ± 10English584.171209.615
14335864.525.6 ± 5.3English584.171252.692
14413964.535 ± 7.6Taiwanese inferred by country584.171189.423
14514064.521.1 ± 4.4Taiwanese inferred by country584.171282.981
14635564.538.7 ± 5.9English584.171164.519
1471586743 ± 6.8Swiss (inferred by country)605.886135.577
1481736729.5 ± 3.6Swiss (inferred by country)605.886226.442
1491096731.8 ± 10.3Portuguese (inferred by country)605.886210.962
15037468.528.3 ± 6.3Not indicated by study618.914234.519
15136968.545.5 ± 5.4Not indicated by study618.914118.75
1523867026.9 ± 4English Australian631.943243.942
1533857041.7 ± 6.2English Australian631.943144.327
1541747226.4 ± 6.8Swiss (inferred by country)649.314247.308
1551597241.7 ± 8.9Swiss (inferred by country)649.314144.327
15614174.532.5 ± 5.8Taiwanese inferred by country671.029206.25
15714274.520.5 ± 5.6Taiwanese inferred by country671.029287.019
15811074.528.3 ± 8.3Portuguese (inferred by country)671.029234.519
1591757725 ± 4.5Swiss (inferred by country)692.743256.731
1601607736.8 ± 8.9Swiss (inferred by country)692.743177.308
1611898021.6 ± 8.3Spanish (inferred by country)718.8279.615
1621008017.2 ± 5Spanish (inferred by country)718.8309.231
163998029.3 ± 7.4Spanish (inferred by country)718.8227.788
1641618230.7 ± 9.1Swiss (inferred by country)736.171218.365
1651768219.2 ± 5.2Swiss (inferred by country)736.171295.769
16614484.517.8 ± 5.2Taiwanese inferred by country757.886305.192
16714384.526.5 ± 5.5Taiwanese inferred by country757.886246.635
16811186.523.8 ± 7.5Portuguese (inferred by country)775.257264.808
16916290.522.4 ± 6.2Swiss (inferred by country)810274.231
17017790.516.9 ± 4.8Swiss (inferred by country)810311.25

Quadratic Regression Line Details

    Parameter equations:
  1. aΣx4 + bΣx3 + c Σx2 = Σx2y
    1373918169.25a + 20705754.75b + 342568c = 11625614.925
  2. aΣx3 + bΣx2 + c Σx = Σxy
    20705754.75a + 342568b + 6618c = 235918.07
  3. aΣx2 + bΣx + nc = Σy
    342568a + 6618b + 170c = 5941.37
Σx = 6618
Σy = 5941.37
Σx2 = 342568
Σx3 = 20705754.75
Σx4 = 1373918169.25
Σxy = 235918.07
Σx2y = 11625614.925
Σxx: 84933.152941176 = 342568 - ( (6618 * 6618) / 170);
Σxy: 4624.0308235294 = 235918.07 - ( (6618 * 5941.37) / 170);
Σxx2 : 7369784.0205882= 20705754.75 - ( (342568*6618) / 170);
Σx2y: -346874.71123529= 11625614.925- ( (342568*5941.37) / 170);
Σx2x2: 683607377.34412= 1373918169.25 - ( (342568*342568)/170);
a = ((Σx2y · Σxx) - (Σxx · Σxx2))
((Σxx · Σx2x2) - (Σ(xx2)2))
a = ((-346874.71123529 · 84933.152941176) - (84933.152941176 · 7369784.0205882))
((84933.152941176 · 683607377.34412) - (7369784.0205882)2)
a = -0.016956405794512
b = ((xy · Σx2x2) - (Σx2y · Σxx2))
((Σxx · Σx2x2) - (Σxx2 · Σxx2))
b = ((4624.0308235294 · 683607377.34412) - (-346874.71123529 · 7369784.0205882))
((84933.152941176 · 683607377.34412) - (7369784.0205882 · 7369784.0205882))
b = 1.525777329664
c = ((Σy/n) - (b · Σx/n)) - (a · (Σx2/n))
c = (5941.37/170) - (1.525777329664 * (6618/170)) - (-0.016956405794512 * (342568/170));
c = 9.7205744264582
y = ax2 + bx + c
y = -0.016956405794512x2 + 1.525777329664x + 9.7205744264582















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