Metadata Anaylsis Tools

Grip Strength Test [DYNA]


Plot Education Aggregate
Description of data
Number of studies32
Years of publication1974-2019
Number of data points179
Total number of participants24,022
nμσRange
Age24,02238.7222.373 - 99
Education5,8244.295.080 - 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
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
9199711.4 ± 3.8English84.743348.269
10198711.2 ± 3.4English84.743349.615
11200813.3 ± 3.7English93.429335.481
12201812.7 ± 3.4English93.429339.519
13202916.2 ± 4.2English102.114315.962
14203914.6 ± 3.3English102.114326.731
152041017.8 ± 4.3English110.8305.192
162051017.5 ± 4.4English110.8307.212
172061120.9 ± 4.8English119.486284.327
182071120.3 ± 4.7English119.486288.365
192081224.2 ± 6.5English128.171262.115
202091223.5 ± 4.7English128.171266.827
212111325 ± 5.3English136.857256.731
222101329.5 ± 7.8English136.857226.442
232121434.2 ± 7.9English145.543194.808
242131426.9 ± 6English145.543243.942
252151528.1 ± 5.3English154.229235.865
262141537.7 ± 8.9English154.229171.25
2771533.1 ± 7.8English154.229202.212
282171628.2 ± 5.4English162.914235.192
29141628.1 ± 5English162.914235.865
3091638 ± 8.4English162.914169.231
312161641 ± 10English162.914149.038
322181744.5 ± 10English171.6125.481
332191728.4 ± 5.8English171.6233.846
345017.530.2 ± 5.56Not indicated by study175.943221.731
354517.543.58 ± 10.25Not indicated by study175.943131.673
3614818.551.2 ± 6.6Swiss (inferred by country)184.62980.385
3716318.532 ± 4.8Swiss (inferred by country)184.629209.615
381520.528.8 ± 7.8English202231.154
3910520.554 ± 7.4English (inferred by country)20261.538
401020.549.7 ± 9.7English20290.481
411492253.9 ± 8.7Swiss (inferred by country)215.02962.212
421642233.4 ± 5.4Swiss (inferred by country)215.029200.192
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
496324.547 ± 9.5English (inferred by country)236.743108.654
50324.557.5 ± 6.3English236.74337.981
5127724.555.16 ± 8.48English236.74353.731
526624.530 ± 7English (inferred by country)236.743223.077
53124.556.84 ± 7.66English236.74342.423
543924.533.3 ± 4.7Not indicated by study236.743200.865
553424.553.8 ± 7.8Not indicated by study236.74362.885
561802659.4 ± 8.4German (inferred by country)249.77125.192
571792633.9 ± 4.3German (inferred by country)249.771196.827
5814526.542.4 ± 6.2English (inferred by country)254.114139.615
5914626.525.9 ± 4.2English (inferred by country)254.114250.673
6014726.533.6 ± 9.9English (inferred by country)254.114198.846
611502753 ± 7.5Swiss (inferred by country)258.45768.269
6262734 ± 5.96English258.457196.154
631652734.3 ± 5.7Swiss (inferred by country)258.457194.135
645427.531.09 ± 7.33Not indicated by study262.8215.74
654927.549.49 ± 10.53Not indicated by study262.891.894
66472851.05 ± 8.55Not indicated by study267.14381.394
67162834.4 ± 9.2English267.143193.462
68522833.88 ± 7.65Not indicated by study267.143196.962
69112851.8 ± 8.1English267.14376.346
7052854.13 ± 9.95English267.14360.663
713129.531 ± 5.4English280.171216.346
722829.549.9 ± 8.4English280.17189.135
731929.543.1 ± 12.1English280.171134.904
742229.550.8 ± 11.5English280.17183.077
752529.532.7 ± 8.7English280.171204.904
761513255 ± 7.1Swiss (inferred by country)301.88654.808
771663233.8 ± 5.9Swiss (inferred by country)301.886197.5
7818134.538.2 ± 3.1German (inferred by country)323.6167.885
7917834.552.7 ± 7.9Belgian (inferred by country)323.670.288
8018234.553.8 ± 8.9German (inferred by country)323.662.885
8133534.542.41 ± 13.44English323.6139.548
826234.543.34 ± 13.33English323.6133.288
833534.555.4 ± 7.1Not indicated by study323.652.115
844034.533.7 ± 6.2Not indicated by study323.6198.173
856834.531 ± 5.8English (inferred by country)323.6216.346
866734.547 ± 9.7English (inferred by country)323.6108.654
871363544.7 ± 9Belgian (inferred by country)327.943124.135
881373550.1 ± 6.4Belgian (inferred by country)327.94387.788
895335.532.98 ± 10.1Not indicated by study332.286203.019
904835.552.28 ± 9.57Not indicated by study332.28673.115
911236.552.9 ± 8.3English340.97168.942
921736.527.7 ± 3.2English340.971238.558
931673735.8 ± 6.7Swiss (inferred by country)345.314184.038
941523755.9 ± 7.9Swiss (inferred by country)345.31448.75
955940.526.37 ± 7.64English375.714247.51
965840.527.1 ± 8.1English375.714242.596
976040.543.92 ± 10.51English375.714129.385
9844148.1 ± 13.4English380.057101.25
9911641.529.8 ± 8.2Malay (inferred by country)384.4224.423
10011741.517.6 ± 5.4Malay (inferred by country)384.4306.538
1011534254.2 ± 8.1Swiss (inferred by country)388.74360.192
1021684234 ± 6Swiss (inferred by country)388.743196.154
10318444.548 ± 6.2German (inferred by country)410.457101.923
10418344.536.3 ± 4.3German (inferred by country)410.457180.673
1057044.529 ± 9.8English (inferred by country)410.457229.808
1064144.530.7 ± 5.5Not indicated by study410.457218.365
1073644.550.2 ± 5.3Not indicated by study410.45787.115
108574545.4 ± 10.6English414.8119.423
10913545.535.4 ± 5.2German (inferred by country)419.143186.731
11013345.543.7 ± 12.4German (inferred by country)419.143130.865
11113445.555 ± 10.2German (inferred by country)419.14354.808
1121544751.8 ± 8.3Swiss (inferred by country)432.17176.346
1131694734.1 ± 5.3Swiss (inferred by country)432.171195.481
1143249.529.8 ± 5.8English453.886224.423
1152949.548.2 ± 7.3English453.886100.577
1162649.527.7 ± 5.9English453.886238.558
1172349.539.8 ± 6English453.886157.115
1182049.534 ± 9.7English453.886196.154
1191705233.7 ± 4.5Swiss (inferred by country)475.6198.173
1201555250.8 ± 9.1Swiss (inferred by country)475.683.077
1211352.544.5 ± 10.9English479.943125.481
1221852.528 ± 6.2English479.943236.538
1237154.545 ± 8.4English (inferred by country)497.314122.115
12418554.534.5 ± 7.6German (inferred by country)497.314192.788
1254254.528.8 ± 3.6Not indicated by study497.314231.154
12610254.537.59 ± 8.6English (inferred by country)497.314171.99
12710154.540.83 ± 12.99English (inferred by country)497.314150.183
1287254.528 ± 6.4English (inferred by country)497.314236.538
12918654.562.4 ± 13.4German (inferred by country)497.3145
1303754.544.3 ± 5.4Not indicated by study497.314126.827
1311565753.6 ± 8.6Swiss (inferred by country)519.02964.231
1321715731.9 ± 4.9Swiss (inferred by country)519.029210.288
13386045.1 ± 11.4English545.086121.442
1341576247.9 ± 6.4Swiss (inferred by country)562.457102.596
1351726228.7 ± 5.5Swiss (inferred by country)562.457231.827
1361876425.5 ± 4.9German (inferred by country)579.829253.365
1371886445 ± 4.4German (inferred by country)579.829122.115
1383064.544.5 ± 5.6English584.171125.481
1397364.540 ± 8.3English (inferred by country)584.171155.769
1403364.525 ± 4.9English584.171256.731
1412164.532 ± 10English584.171209.615
1422764.525.6 ± 5.3English584.171252.692
14314064.521.1 ± 4.4Taiwanese inferred by country584.171282.981
1442464.538.7 ± 5.9English584.171164.519
14513964.535 ± 7.6Taiwanese inferred by country584.171189.423
1467464.524 ± 6.8English (inferred by country)584.171263.462
1471736729.5 ± 3.6Swiss (inferred by country)605.886226.442
1481586743 ± 6.8Swiss (inferred by country)605.886135.577
1491096731.8 ± 10.3Portuguese (inferred by country)605.886210.962
1503868.545.5 ± 5.4Not indicated by study618.914118.75
1514368.528.3 ± 6.3Not indicated by study618.914234.519
152557041.7 ± 6.2English Australian631.943144.327
153567026.9 ± 4English Australian631.943243.942
1541597241.7 ± 8.9Swiss (inferred by country)649.314144.327
1551747226.4 ± 6.8Swiss (inferred by country)649.314247.308
15614274.520.5 ± 5.6Taiwanese inferred by country671.029287.019
15714174.532.5 ± 5.8Taiwanese inferred by country671.029206.25
15811074.528.3 ± 8.3Portuguese (inferred by country)671.029234.519
1591607736.8 ± 8.9Swiss (inferred by country)692.743177.308
1601757725 ± 4.5Swiss (inferred by country)692.743256.731
1611008017.2 ± 5Spanish (inferred by country)718.8309.231
162998029.3 ± 7.4Spanish (inferred by country)718.8227.788
1631898021.6 ± 8.3Spanish (inferred by country)718.8279.615
1641618230.7 ± 9.1Swiss (inferred by country)736.171218.365
1651768219.2 ± 5.2Swiss (inferred by country)736.171295.769
16614384.526.5 ± 5.5Taiwanese inferred by country757.886246.635
16714484.517.8 ± 5.2Taiwanese inferred by country757.886305.192
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 = 9.7205744264583
y = ax2 + bx + c
y = -0.016956405794512x2 + 1.525777329664x + 9.7205744264583















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