The phrase "a positive relation for" is correct and usable in written English.
It can be used when discussing a favorable connection or correlation between two or more entities or variables.
Example: "The study found a positive relation for increased exercise and improved mental health among participants."
Alternatives: "a favorable relationship for" or "a beneficial connection for".
Furthermore, we found in our study is that sex did not predispose for MHS use although former studies showed a positive relation for females [ 9, 37].
The largest cohort study found a positive relation for women with mothers' age over 40 but no linear trend between the age of the mother and breast cancer (Holmberg et al, 1995).
When we compared aggregate node connection ranges for all areas of a given structural type across all five possible types, we found a positive relation for the proportion of short projections, such that areas of a higher structural type had higher proportions of short-range connections than areas of a lower structural type (JT = 3.1, p < 0.01).
A third limitation of the present study is the absence of any reproductive hormone measurements, particularly in light of earlier reports of both a negative relation between serum PFOS and testosterone (Joensen et al. 2013) and a positive relation for plasma PFOA and PFOS (Raymer et al. 2012).
Concerning possible influence of protein degradation in the samples, linear regression analysis between time of biopsy after death and expression levels of ABCA1, ABCG8, NPC1L1 and FAT/CD36 did not show any association, whereas even a positive relation was found for ABCG5 (R2 = 0.25; P = 0.0001).
In analogy to histological grade, larger tumors may also express hypoxia markers more frequently, but we only found a significant positive relation for CAIX, and again an unexpected negative significant relation with IGF1R.
For solar radiation a positive relation with MXD was noted for April, July, August and September of the current year.
The intensity of night light has a positive relation with health index for the elder population (age >60), cancer rate and land surface temperature, but urbanization reduces the positive relation between night light and cancer rate.
A previous study found a positive relation between additional funding for disease managed care and healthcare utilization costs [ 19].
A positive relation between subjective craving for nicotine after scanning in HSM and BOLD activation in the VLPFC and left amygdala region during viewing of smoking-related pictures versus neutral pictures was present (Table 4).
Regression analyses indicated a positive relation between subjective craving for gambling after scanning in PRG and BOLD activation in the VLPFC, left anterior insula and left caudate head when viewing gambling pictures versus neutral pictures (see Table 2).
